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You had me pegged from the start. A man damaged by his demons. Well those demons aren’t dormant, and they are hell-bent on killing me and everything beautiful around me….and you are beautiful.
~ Klaus to Cami in From a Cradle to a Grave.

Niklaus Mikaelson is the main protagonist and hero of The Originals and a major villain turned anti-hero in its mother series, The Vampire Diaries.

He is Esther's son, Mikael's stepson, Freya, Finn, and Elijah's younger half-brother, Kol and Rebekah's older half-brother, Caroline Forbes, Hayley Marshall, and Cami O'Connell's former love interest, and Hope's father.

Klaus is portrayed by Joseph Morgan.


Untriggered Werewolf

While he was still an untriggered werewolf, Klaus had a complicated life. He was close with his half-sister Rebekah, whom he affectionately called "Bekah", and with his half-brothers Elijah and Henrik. He also had a close relationship with his half-brother Kol, but he did not get along at all with his half-brother Finn, since childhood. However, he had a bad relationship with his overbearing step-father Mikael who was harder on him than any of his siblings. He was a victim of his step-father's physical and verbal abuse since childhood. Klaus even admitted to Rebekah that Mikael frightened him which made him constantly seek his approval without ever finding it. His mother Esther often tried to calm Mikael when he became angry with Klaus, but she never tried to stop him from humiliating or from physically/mentally abusing her son. Also as an untriggered werewolf, Klaus had the aggressive behavior of one, but he could not act on it due to his mother making him wear a magical necklace, created to weaken his strength and thus leaving him vulnerable to Mikael's abuse. These following reasons led him to resent both his parents and possibly to be jealous of his maternal half-siblings for having their approval. In the director's cut of the backdoor pilot of The Originals, Elijah pointed out that as an untriggered werewolf, Klaus was so full of love and life, and that all he ever wanted was to be loved in return, especially by his step-father. This belief that no one loved him and that he was doomed to be alone forever was the main factor that changed Klaus's personality.

Original Vampire-Original Hybrid

When Klaus was just in the early stages of being a hybrid, he slaughtered six villagers. Which afterwards, he was devastated and cried into Elijah's shoulder. After finding out that Mikael is not his biological father, he was shocked and betrayed.

Klaus is continuously described as being cruel, sadistic, careless, paranoid, reckless, impulsive, short-tempered, aggressive, volatile, unpredictable, slightly unreasonable, narcissistic, manipulative, jealous, obsessive and competitive. Though he shows little to no regard for human life in general, Klaus feels guilt and remorse for most of his actions, he just does not show it, and he has morals. Despite his negative traits, Klaus has shown to be very protective of his younger half-sister Rebekah, who stayed by his side for centuries, and he is not pure evil, he is just sadistic. Unbeknownst to any, Klaus was not the son of Mikael, but the son of an alpha werewolf named Ansel, in another village which made Klaus aggressive, violent and angry. When he became a vampire, all these emotions were heightened and Klaus' temper became worse than ever. Years of humiliation and physical/emotional abuses at Mikael's hands and Esther's indifference, coupled with her rejection of him as her son, led Klaus to kill his own mother in revenge and for betraying him. After this, Klaus shut off his humanity to any but his family, killing any who crossed his path. Vengeful and power-hungry, he will stop at nothing to achieve his ends and remove those who stand in his way. However, Klaus does not believe that death is a punishment as seen when he denies Katherine death, instead keeping her alive so that she will suffer for having betrayed him. He will also place usefulness before pleasure and keeps people alive when it suits his needs. He has also shown a penchant for working with witches which was mentioned by Katherine. Klaus also has a sense of honor and will not go back on his word although, like his half-brother Elijah, he will always look for loopholes in the deals he makes.
He has also shown a sadistic side notably when he deals with humans or vampires who have crossed him, such as Elena, Damon and Katherine, (his sadistic nature is often mistaken as psychotic). However, Klaus' hunger for power actually hides a deep fear of being alone which must stem from his step-father's treatment of him. He wants the hybrids so that he will not be the sole member of his race as Esther intended when she placed the curse on him. He also desires, beyond anything else, to be reunited with friends and family as shown by his desire to have Stefan, his one-time friend, and his family back at his side. According to Elijah, Klaus also uses his cruelty to hide his fear of being alone. He has shown to have a softer side when he is around Caroline, or a member of his family, but rarely shows it around other people. Caroline brings out Klaus' humanity. He also holds grudges against the people who try to kill him, or members of his family, and rarely lets it go. Klaus is self-preserving whenever he is in a situation where he could be killed permanently, he reveals information that keeps him from being killed, like when he told Elijah that he didn't bury their family at sea, or when he told Stefan and Damon he is the one who sired their bloodline.

Klaus rarely gets made a fool out of and also doesn't like to be made a fool out of either. He is rarely caught off guard. Klaus is highly intelligent, calculating, thinks of contingencies, he (secretly) admits he makes mistakes and learns from them as well, and he is always two steps ahead of his enemies. Klaus is not a very forgiving person; as he rarely forgives people in general. Despite him being the world's most powerful immortal supernatural being, he often pretends to be arrogant to mask his fear of being alone, he is not completely fearless, he is afraid of the White Oak Stake, because it is the only physical weapon that can permanently kill him, other than the white oak stake, Klaus is also afraid of becoming like his step-father, Mikael. Klaus has a sarcastic sense of humor and he is also sarcastic even towards members of his own family. Despite his lust for power, Klaus still cares about the remaining members of his family. Despite being manipulative, he does not like being lied to or manipulated. He does not take being betrayed very well, especially if it is from a member of his family. He is not tolerant of people who disappoint him in general. He has very little tolerance for disloyalty, if any of his friends or family have try to kill him, or betrayed him to his enemies who wants him dead, Klaus disowns them and no longer see them as his friends or family; like Esther, Finn, Rebekah and Marcel. Klaus is ruthless and brutal towards his enemies, and he rarely shows any of his enemies mercy. Also if anyone tries to hurt or kill a member of his family, most of them will not live to regret it.

Klaus can sometimes be cold and ill-mannered, he is also not above killing children, if they are a threat to him or his family, despite this Klaus dislikes people in general who mistreat or abuse their children; due to how he was mistreated and abuse by his step-father, Mikael.

Do to the fact that he was betrayed by Esther, Klaus does not trust people in general, he only trust those who have proven themselves trustworthy to him.

He wants people in general, to be loyal to him and respect him of their own free will, he does not like to compel people to be loyal to him against their free will, he only does this if he believes they are plotting against him or his family.

Like Elijah, Klaus can easily be provoked when disrespected, as he has no tolerance for those that disrespect him, like his best friend Marcel, who spoke down to him, Klaus retaliated by biting Marcel's friend Thierry Vanchure, to teach his best friend a lesson, to never disrespect him again or there will be consequences.

Although he puts up a tough demeanor, deep down Klaus cares about his family; he just has a lot of difficulty showing it.

Initially, Klaus hated being a vampire, after he was turned into one, but he eventually accepted his vampire nature, although he revels/embraces both his werewolf and vampire natures, there is still some part of Klaus, that resents Mikael and Esther for turning him and his maternal half-siblings into vampires against their free will. He later admitted to Esther that he forgives her for turning them and prefers them as vampires.

During his time in New Orleans, Klaus has grown to genuinely care about his unborn child, and was deeply hurt/enraged when Elijah and Hayley falsely accused him of using her to sire more hybrids; that he violently bit Elijah in retaliation. Although, he does still maintain a twisted sense of humor about his child as he once referred to his child as "that" when discussion how to keep it and Hayley safe from Marcel. Klaus is also shown to be more mellow as he was shown to genuinely regret daggering Elijah and went out of his way to show how sorry he was, even going as far as to spare Agnes for trying to kill his unborn child just so Elijah could keep his word. It is possible that being in his former home, with his family, has caused his humanity to show more. Klaus has also shown to have matured greatly as he no longer uses the White Oak Dagger to put down his maternal half-siblings when he disagrees with them like before but instead settles things in a civil and sometimes violent matter.

As the baby's birth approached, Klaus became more and more protective of both her and Hayley. He even had a nursery built right next to Hayley's bedroom so she could be near her baby. His undying love for the child is evident as he willingly sent the child away from the chaos in New Orleans so that she could grow up properly in the loving arms of her aunt Rebekah.

Even if he is cruel, we can see he still has a part of humanity which is shown when he's about to cry when he sees his dead half-brother (Kol), when he admits his love for Caroline or when Hayley is pregnant of their child and he's fighting for her safety. Unlike Elijah, Klaus is far less calm, composed, and strategic in battle. Despite his temper, Klaus is shown to be very keen as he was able to figure out that Hope would be sacrificed at the cemetery because it was where the Harvest and the Reaping took place as well as the location of the ancestral witches' burial place. Klaus does seem to care about Tyler to a degree. When he told Caroline he defeated Tyler, he left out the detail that Tyler tried to kill Hayley and his unborn child. This could be due to not wanting Caroline to hate Tyler, however, it is very likely that he just wanted to keep his child's existence a secret as much as possible, as Klaus has made many enemies over the years, (until his child is old enough to protect herself). Klaus also did mention after Stefan watched knowingly as he walked into a trap by his hybrids, he wanted to kill Stefan but he fought the urge to and mentioned it took three days to finally lose the urge to kill Stefan, when he could have ended it in an instant by killing Stefan.

In Season Two of The Originals. Klaus is shown to have developed strong paternal instincts since the birth of Hope. One such case is his belief a parent who trades their child for anything deserves a punishment worse than death. Klaus has also mellowed great deal a since season 1, so much so he, in an ironic twist of fate, restrained Elijah when he lost his temper when Finn threatened Rebekah (and unknowingly Hope) unlike before where he would just let the blood flow. Klaus' main concern is keeping his daughter safe now that she has returned home.

Klaus has also developed strong friendship instincts. One example was when he gave up an opportunity to kill Mikael when he threw Papa Tunde's Blade at Camille and chose to safe guard her life over killing Mikael.

Although he is paranoid and mistrustful, these traits have proven to be correct on more then one occasion, like with his maternal half-sister Freya, who he does not trust to begin with, due to the fact that she resurrected his maternal half-brother Finn, and indirectly helped the latter find Hope.

Since the birth of his daughter, Klaus has become far more mature, responsible and selfless, and far less reckless, impulsive and selfish, as Hope has brought out the best inside him. Despite this, he still can be, though to a far less extent; cruel, sadistic, vengeful, ruthless, manipulative and jealous as when he declared only he will decide what is the best way to protect his daughter not his maternal half-siblings or Hayley, and Dahlia picked up the fact that he fears Hope will grow up to call her step-father Jackson "Daddy".

Klaus has grown to dislike people in general who treat his daughter like a democracy, as she is a person, despite the fact when Davina had the power of the Harvest, he treated her like a weapon, although this was only because Davina behave more like a weapon then a person.

Klaus is a brilliant strategist, and skilled in making people suffer, traits he inherited from his mother. however, unlike Esther, he never underestimated members of his family, or his enemies, he committed immoral acts; he killed Elijah's girlfriend Gia, and daggered him with Papa Tunde's Blade, compelled Marcel to kill Rebekah, (who is in the body of the late Eva Sinclair) if she tries to escape the compound, had Dahlia reactivate the Crescent Curse on the Crescent Wolf Pack and Hayley. All these actions of his was partly as revenge/punishment for betraying him/for trying to take his daughter away from him, and mainly to gain Dahlia's trust to take her down.

Klaus is painted as the villain in the Mikaelson Family, for supposedly turning his back on his family, however, in truth, it is the other way around, as Elijah and Rebekah turned there backs on their maternal half-brother for their own selfishness, Klaus is the only one who never broke the Always and Forever vow, as he has tried to keep his family together; albeit in a selfless way.

Just like in the TVD universe, Klaus still has guilt and remorse for most of his actions, however, he still refuses to show it; he only seem to show his remorseful nature towards Camille. He also still has morals and a sense of honor.

By the end of the second season, Klaus no longer has a sensitive side; as he no longer cares about what people in general think about him, particularly his maternal half-siblings and Hayley, with the exception of Camille and Hope.

In his new role as a parent - Klaus has gradually begun to reveal an unexpected aptitude towards the demands of fatherhood - placing his daughter's needs above his own. In the act of abdicating his rule over the French Quarter and handing the reigns of control back to Marcel for the sole purpose of focusing his attention on raising Hope - Klaus exhibits a phenomenal turn-around in his priorities and power-hungry nature as well as in embracing the advent of parenthood and the experience of a new, self-sacrificing love.

Unlike Mikael and Esther, Klaus acknowledges his mistakes as a parent, and learns from them as well.

As a member of the North East Atlantic Pack by blood, Klaus does not get along with any member of the Crescent Wolf Pack at all, for good reason, with the exception of Aiden and Hayley, until the latter betrayed him; by trying to take Hope away from him.

Powers and Abilities


  • Original Hybrid Physiology: As the Original Hybrid, Klaus is the second/third most physically powerful immortal supernatural being, with only Mikael, Lucien, and Marcel surpassing his might, and that is even without using his full powers, which is still enough to defeat his fellow Original brethren, with only Elijah being shown to be able to roughly match Klaus, though Klaus is still able to gain the upper hand and win.
    • Super Strength: Klaus, as the Original Hybrid, holds an extraordinary amount of great superhuman strength that makes him much stronger than immortals, Supernatural Hunters, non-Original vampires, werewolves, Evolved werewolves, non-Original werewolf-vampire hybrids and humans and even surpassing other Originals. He could fight and kill 12 Hybrids, overpower Marcel's entire vampire army and take down multiple evolved werewolves with little difficulty. He is able to decapitate other species with a single chop and shatter windows and doors with small objects. The exact extent of Klaus's superiority to an Original remains unclear: Even without using his werewolf powers, Klaus has been shown to be able to easily overpower and subdue Rebekah, with even Rebekah's rabid form not allowing her to overpower Klaus without distracting him, but had noticeably greater difficulty fighting Kol despite still eventually overwhelming him. Elijah, on the other hand, has shown himself to be able to match Klaus to a stalemate in most of their altercations. However, it was indicated that Klaus was holding back and prevented from using his full potential as when he gets serious, he defeats Elijah with moderate extortion and using Lycanthrope Enhancement, easily overpowers Elijah. His strength is able to match that of Alaric as an Enhanced Original, being able to hold him to a stalemate when they struggled for the White Oak Stake, and has shown to be able to contend with the likes of Mikael, albeit Mikael was weakened with werewolf venom, and Marcel better than Elijah when he gets serious but still doesn't use his greater werewolf powers: He was able to land blows that actually hurt Mikael whereas Elijah could barely turn Mikael's head with a punch and leave him otherwise unfazed and alter the trajectory of the White Oak Stake when Mikael used it against him to his shoulder to leave Mikael open to Papa Tunde's Blade and later overpowered Mikael when he was further weakened. Klaus was also able to send Marcel flying through walls with a single punch and when they struggled for the dagger that could kill Marcel, Marcel could not overpower Klaus decisively in a timely manner, although Marcel was still stronger and able to forcibly push him back.
    • Super Speed, Agility and Reflexes: Klaus' intensified quickness, agility, reflexes, and endurance makes him much faster than immortals, non-Original vampires, werewolves, evolved werewolves, non-Original werewolf-vampire hybrids, supernatural hunters and humans. He is able to stop other supernatural species in their tracks and run miles in mere minutes. His reflexes are similarly heightened, as he once caught Connor's arm before the latter could stab him with a small stake; he later saved both himself and Connor from an explosion intentionally triggered by Connor to kill both them and Damon. He can move, jump very high, flip, climb and run incredibly fast without difficulty or exhaustion. Klaus was likewise faster than his Original siblings, easily able to react to Rebekah and Kol's attack and catch them off-guard, though Elijah can keep pace with him just fine unless when Klaus begins to exert himself, allowing Klaus to eventually overwhelm Elijah in fast exchanges of blows, first choking him and then kicking him aside just after having been hit. When he gets serious, Klaus is able to keep up with the weakened Mikael, who had while further weakened easily overwhelmed Elijah, in hand-to-hand combat, able to counter Mikael's blows and land his own.
    • Super Senses: Klaus has a more enhanced sense of hearing, sight and smell that far exceeds those of any immortals, original vampires, non-Original vampires, werewolves, evolved werewolves, non-Original werewolf-vampire hybrids and humans.
    • Super Durability and Stamina: Klaus's phenomenal superhuman durability and stamina allows him to take far more trauma than any immortals, original vampires, non-Original vampires, werewolves, evolved werewolves, non-Original werewolf-vampire hybrids and humans, without much discomfort or injury. He is shown to be able to easily take attacks from lesser supernatural creatures with little damage, with a violent beatdown from Marcel's army only drawing a minimal amount of blood and not injuring him at all, and it has been seen even fighting against fellow Originals and withstanding their attacks are of little trouble to him: He took blows from Kol without getting injured and even blows from Rebekah using a wrench barely made him bleed, Klaus even smiling menacingly as if nothing happened before he swiftly overpowered her, though Elijah's blows did have more of an effect on Klaus, it has only been seen to stagger him and not deal any lasting damage. Even blows from Mikael and Marcel, while hurting him, didn't prevent him from swiftly rebounding and continuing to fight them.
    • Enhanced Healing Factor: The injuries of Klaus heal faster than those of supernatural hunters, original vampires, non-Original vampires, werewolves, evolved werewolves, non-Original werewolf-vampire hybrids and humans. He also seems to heal much more quickly when exposed to vervain, wolfsbane, or wood. He can heal/recover/regenerate from any and all injuries in a matter of seconds. Vervain or wolfsbane laced liquid has also been shown to weaken him, though he recovers from the effects much more quickly. Human blood has also known to make the healing process faster.
    • Immortality: Klaus is even more immortal than his maternal half-siblings. With the last White Oak Stake destroyed, no physical weapon on earth can kill Klaus. Nothing but immense magical power worth a hundred witches summoned by an exceptionally powerful witch can kill Klaus. Despite the extent of his immortality, Klaus still needs to feed otherwise he will desiccate and become immobile just like any other immortals, original vampires, non-Original vampires or non-Original hybrids. It is unknown if the bite of the Beast could kill him due to his werewolf heritage, but both Marcel and Lucien believed so.
    • Day Walking: Due to his werewolf heritage, Klaus is immune to the lethal effects that u.v. rays and sunlight have on vampires. Allowing him to walk in daylight without the use of a day ring.
    • Enhanced Emotions: Because of his vampiric and werewolf traits, Klaus experience emotions more powerfully than humans, original vampires and non-Original vampires. Particularly emotions such as anger, rage, aggression and violence due to his werewolf heritage. Klaus is more prone to violence and rage than original vampires and non-Original vampires. However, emotions such as love, joy, and happiness are intensified for him as well, allowing him to live life more intensely. This ability allows him to feel emotions at his peak regardless of his age. Klaus has been shown experience emotions as powerfully today as he did 1,000 years ago.
    • Lycanthrope Enhancement: Klaus is capable of using his werewolf features to further supplement his powers. Klaus can grow werewolf claws and fangs even when he is still in his human form. Klaus can display both sets of vampire and werewolf fangs. His eyes also change into those of his werewolf form, presumably granting him better eyesight. Due to his werewolf heritage, Klaus' strength and speed are heightened further during a full moon and at its peak in his werewolf form.
    • Shapeshifting/Transformation Control: Klaus has the ability to transform into his werewolf form at will. Elijah informs Klaus that he remained a werewolf for two days, even when the sun was up. Showing that Klaus can stay in werewolf form longer than a normal werewolf. As seen with Klaus when he bit Katherine, Klaus can transform partially, displaying his werewolf eyes and teeth.
    • Mind Compulsion: Klaus can compel the minds of most sentient creatures; humans, non-Original vampires and non-Original hybrids. He cannot compel supernatural hunters that are members of the Five due to them being immune to mental manipulation. Klaus cannot compel werewolves, evolved werewolves, and original vampires. His inability to compel werewolves was even confirmed by Ray Sutton.
    • Telepathy: Klaus has the ability, albeit a weak variant, to enter the minds of others as long as his is stronger than them. Normally, this ability works in a tactile fashion and Klaus requires physical contact in order for it to work successfully. Klaus has also been shown sharing his memories with others.
      • Dream Manipulation: Klaus can control dreams and subconscious like vampires/original vampires. He can produce and modify dreams, bestow nightmares or lucid dreaming. Other effects of this ability is the distortion of reality and trapped in the dreams.
      • Illusions: Klaus has the power to trick the minds of others into seeing/feeling things that aren't actually happening.
    • Werewolf Bite: Due to his werewolf heritage, Klaus has venom which is fatal to non-Original vampires and Klaus himself is immune to werewolf venom. Klaus' venom seem to take effect much faster than a normal werewolf venom and a non-Original werewolf-vampire hybrid venom.
    • Werewolf Bite Cure: Klaus' blood is the only cure for a normal werewolf or a non-Original werewolf-vampire hybrid venom, this ability seems to be unique only to Klaus and his daughter, Hope. Klaus' blood won't cure a bite from the Beast, only alleviate it's symptoms.
    • Immunity to Silver: Due to his werewolf heritage, magic bonded to silver doesn't affect Klaus. Weapons made of silver might wound him, but the wound heals at super-normal rates than regular wounds.
    • Procreation: Sophie explained that Klaus was only able to procreate due to being the Original hybrid — a born werewolf, turned into a vampire by magic — Nature's loophole. This has since been made impossible.


  • Master Combatant: Despite being initially deemed unworthy by Mikael, it was shown that Klaus's lack of excellence in Mikael's training in the arts of combat was only due to the latter's abusive behavior and soft personality, even Mikael admitted Klaus had incredible potential as a warrior that exceeded his siblings. Indeed, with all the restraints that once prevented him from releasing the warrior inside him gone, Klaus became one of the greatest combatants to ever walk the earth, with centuries of experience. Even with his reckless, rage-driven and lack of composure in a fight, in stark contrast to his brother Elijah, which led to Elijah mostly handling him, Klaus was still easily more than a match for multiple enemies, as shown by how he massacred Marcel's vampire army and many evolved werewolves without much effort. Although his personality led to him struggling, Klaus could mostly fight on par with Elijah even in his usual mood enough to a stalemate and once getting serious, he bested Elijah three times. He was able to best Rebekah and Kol in combat with only minor difficulty. Klaus even held his own considerably well against Mikael in a direct hand-to-hand combat, though the latter was proven to be superior in terms of fighting skill and Klaus could only best Mikael in their second fight when Mikael was further weakened.
    • Master Swordsman: Klaus was shown to be highly proficient in swordplay even as a human, able to fight Elijah on equal footing and even defeat him, though Elijah may have held back. He easily used his sword to massacre his Hybrids.
  • Intellectual Genius: His supernatural attributes aside, Klaus's greatest asset is his profoundly sharp intellect that is unmatched among the Mikaelsons except by Elijah, who is often capable of rivaling and surpassing Klaus, though Klaus has also outsmarted Elijah on a few occasions, Mikael, who had successfully pursued and forced Klaus to constantly flee, and Esther, who managed to torment Klaus through his and Elijah's war with her until he finally outsmarted her.
    • Master Strategist: His penchant for strategies and forming contingencies way ahead of time making Klaus among the greatest strategists in the series, Klaus came up with a plan, to make it look like he has turned against his maternal half-siblings and Hayley, after Elijah daggered him, and after Hayley tried to take his daughter Hope away from him, in order to gain Dahlia's trust to take her down.
    • Master Investigator: Klaus is able to discern a great deal of whatever or whoever presented to him after only a few keen observations. He swiftly figured out that Hope would be sacrificed at the cemetery because it was where the Harvest and the Reaping took place as well as the location of the ancestral witches' burial place and could deduce that Cassie was possessed by his mother and Vincent was Finn and Kaleb was Kol, which even Elijah couldn't figure out.

Heroic Deeds

The Originals

  • Was conniving and plotting against the witches so that his child can live a happy life.
  • made it up to Elijah after daggering him.
  • Strangled Hayley Marshall so that she would not poison Hope (while she was still pregnant) showing that he cares for his daughter.
  • Saves Hayley from Tyler Lockwood.
  • Built a nursery for Hope.
  • Gave Rebekah permission to leave New Orleans to start a new life where she can start her own family and even forgave her for conspiring against him.
  • Compelled Camille O'Connell to leave New Orleans since it was too dangerous for her.
  • Gave Rebekah custody of Hope so that New Orleans can be save for her.
  • (with Hayley and Elijah) went to save Hope from being killed and later gave Marcel his blood as a reward for saving his child.
  • Told Elijah that all the tragedy that happened to his family in New Orleans and the witches and werewolves against the Mikaelsons, and Hayley turned. into a hybrid was all his fault due to his greed and it has costed Klaus his child.
  • Killed the Guerreras (with the help of Elijah, Hayley, Marcel and Camille) so that he can regain his strength.
  • Saved Camille O' Connell from Mikael's clutches.
  • (anti-heroically) killed his father Ansel so that Esther won't know that Hope is alive.
  • Kidnapped Finn and Kol so that he can get them to unite against Esther.
  • Rescued Elijah and cured him.
  • Promised Camille that he will not hurt or kill Davina (even though she wants him dead).
  • (along with Rebekah) had Esther turned into a vampire.
  • When his younger half-brother Kol attacked him and when Klaus defended himself from him, the latter refused to kill Kol, saying that he was his brother.


Elijah Mikaelson

Elijah is Klaus' maternal older half-brother. As humans, they were close, engaging in friendly sword fights, however their relationship became strained due to both falling for the same woman, Tatia. After transitioning into vampires, along with their sister, Rebekah, they made a pact to always stick by Klaus "Always and Forever". In 1492, their close relationship crumbled upon the arrival of the doppelgänger Katerina Petrova. Klaus wanted to use her blood to break the Hybrid Curse, but after her escape, Klaus was furious and blamed his half-brother. Although Elijah promised he would find her, their relationship never recovered as in 2010, Elijah planned to help the Salvatores and Elena Gilbert kill Klaus. After Klaus broke the curse, at Elijah's mercy, he revealed that he didn't kill their family and that their bodies were safe. Elijah saved his half-brother's life, however was neutralized in return. Their bitter relationship continued after Elijah was un-daggered by Damon Salvatore. However, the half-brothers became allies after their mother returned and were unsure of her intentions regarding their family. In the Season Three finale, Elijah bargained for his half-brother's body back and was clearly devastated by his "death". Throughout the trials and tribulations which threatened to rip their brotherly bond, they have recently begun mending their relationship and even though Klaus refused to grant Katherine freedom by Elijah's request, Elijah has stated he won't give up on finding Klaus' redemption.

Unfortunately, Klaus' relationship with Elijah takes a turn for the worst when Elijah chose to believe Tyler's lies over him, that he is (supposedly) aware that his child's blood can make hybrids, and he plans to use his child's blood once she is born to make an army of hybrids, to take over New Orleans, Elijah falsely accused him of only caring about his unborn child, so he could use her to sire more hybrids, Klaus became hurt/enraged by the accusation, he violently bit Elijah in retaliation, their relationship became damaged after this. Klaus eventually forgave Elijah, when he apologized to Klaus for his accusation. Despite the fact that their relationship is now repaired, Klaus is barely on speaking terms with Elijah.

Unfortunately, their relationship becomes worse than ever, when Elijah daggered Klaus and allowed Hayley to try and take Hope away from him, in retaliation Klaus kills his half-brother's girlfriend Gia, and daggered Elijah with Papa Tunde's Blade, their relationship becomes estranged/broken after this, as Klaus wants nothing to do with Elijah in general any more.However, they eventually reconciled by the end of the third season.

Rebekah Mikaelson

Rebekah is Klaus' maternal younger half-sister. Out of all his half-siblings, he is closest to her, and very protective of her. Klaus cares very deeply for Rebekah, but he seems to have a lot difficulty showing her that it is true. They are loyal to each other. Before she left New Orleans, thus separating, they had never left each other's side and stood by one another no matter what happened. After Klaus was "supposedly" killed by Alaric in The Departed, Rebekah was heartbroken over losing her older half-brother whom she loved and never left her. When she finds out in the Season Four premiere that he was still alive, their relationship started to completely and totally fall apart when he chose to save Caroline over his own half-sister. Rebekah confronted him about how she never stopped loving him through everything. It was always her that was there for him when Finn, Kol and Elijah weren't. She then realized that he truly doesn't love her when he told her they are no longer family, and disowned her. But later in the season, Klaus saves her when Kol nearly kills her with a White Oak Stake. Even when she hates him, Klaus shows that he still cares and loves her regardless of what has happened between them. After Klaus is again the King of New Orleans, she begins to form her own army and so to defeat Klaus and Marcel, since she tired of always being used by them. Nevertheless, Rebekah has tried to protect the daughter of Klaus at all costs. When discovering that it was Rebekah whom brought their father to New Orleans, he was so enraged that he wanted to kill her. Rebekah admitted that she wanted him dead as he robbed her of love and happiness. Klaus decided to exile her, telling her to leave New Orleans and never come back. Klaus decided to entrust the safety of her daughter to Rebekah, she returned to New Orleans to take Hope with her and care for her.

Hayley Marshall

Klaus and Hayley first interacted in The Rager, when Hayley first visited Tyler in Mystic Falls, being the one who helped him break his Sire Bond. Klaus initially believed her to be a fling of Tyler's whilst in the Appalachians, however it was revealed she came to Mystic Falls in a deliberate attempt to have Klaus murder his hybrids, in exchange for information on her family. She succeeds and disappears, only to come back in Bring It On, where Klaus saves her from a vampire sent by Katherine to kill her. Klaus takes her back to his house, after talking a lot Klaus received a call form Rebekah, he tells Hayley that the vampire lurking around to kill her is dead. Even though she had to go, Klaus offers her to stay. She agrees and they end up having sex. Klaus tells Hayley he knows something about her family after noticing a special birthmark on her shoulder. Hayley ends up in New Orleans where she finds out that she is pregnant with Klaus' child. Not keen to the idea at first, Klaus has shown to care about his child in more than one occasion, fearing that someone might try to take her away from him. The relationship between Klaus and the mother of his child has evolved along the series, both coming to a mutual understanding, while Klaus also shows that he cares about her. After her encounter with Klaus' step-father Mikael on the other side and nearly killed by him along with her baby, Hayley is shown by Klaus their child's nursery after Hayley decides to move back to the compound. Klaus and Hayley share a moment in which Klaus asks her what Mikael has told her about him, Hayley tells him "Nothing true", which shows that they now have a good relationship. Klaus and Hayley are friends and they work together in order to keep their child safe.

Unfortunately, Klaus' relationship with Hayley takes a turn for the worse, when Hayley tried to take Hope away from him, in which Klaus became hurt/enraged by this attempt, that he had Dahlia place the Crescent Curse on Hayley and her pack, as punishment for trying to take his daughter away from him.

Marcel Gerard

Marcel is Klaus' best friend and former student. It's complicated, but they respect each other. There's definitely a history between them. It has been stated many times that Klaus loves Marcel like a son. Also, Marcel is very much in favor of embracing his true nature as a vampire and that’s something he learned from Klaus and something they certainly have in common. When Klaus returns to New Orleans after 100 years, he finds that Marcel has taken control of the city. Seeing that his former student has used everything he's taught him and achieved glory, Klaus wants what he has, forming a rivalry between the two. But Klaus still sees Marcel as his old friend. After Marcel attempted to bury Klaus, he surrendered New Orleans to him and despite their still unresolved differences, Klaus asked Marcel to rule side by side with him. After finding out that Marcel conspired with Rebekah to bring Mikael back in order to get Klaus to run from New Orleans and for him and Rebekah to be together, Marcel was banished from New Orleans. His relationship with Klaus is currently broken as Marcel lives in exile and tries to find a way to get New Orleans back under his rule. After he helped save Klaus's child from being sacrificed, Klaus gave him some blood to cure the werewolf bite and they returned to being allies once more.

After Marcel becomes the Beast and nearly destroys his family and daggers Klaus with Papa Tunde's Blade, Klaus came to deeply resent Marcel, though he was willing to ally himself with him when necessary. Their alliance, however, eventually restored their friendship as Klaus apologized to Marcel for failing him as a father and Marcel likewise came to forgive Klaus.

Camille O'Connell

Klaus and Camille's relationship together starts slowly. They first meet at Rousseau's, a bar in New Orleans. Later, they bond over a painter's artwork when Camille describes the artwork and the painter. Klaus is impressed by her and Camille is seen to bring out the humanity in Klaus. Klaus seems to have taken an interest in Camille. He first saw her when she was bartending, someone she later remembers as being the "$100 guy". However later on, after being given the news about his child, he was more interested in her when she was looking at an artist painting and she described the story she assumed of the artist. Her words about the man in the painting being "alone", caused him to show his humanity and seemingly change his mind towards the future of his unborn child. In time, they became good friends and Klaus decided to save her from getting further involved in the supernatural by compelling her, though it failed and strained their relationship. It was already suggested that Klaus may have a crush for Camille in the first season, as he was visibly annoyed to see Camille's feelings for Marcel and was outraged when Camille slept with Marcel, to the point of threatening to kill Marcel if she ever did it again. He later chose to withheld from her that his child lives, not wanting her to get further involved in the supernatural than she already is.

Season Two further hints Klaus's feelings for Camille: He watches her from a distance as she calls out to him, trusts her to help him deal with Davina, accepts to dance with her and appeared to genuinely enjoy the moment before reluctantly pushing her away and willingly spared Davina for her. He also nearly died saving her in fighting Mikael. She later found out that his daughter Hope Mikaelson, had survived and she watched over her for him for a short period of time. Camille is Klaus's go to girl when he needs support and she is more than willing to lend an ear and listen to his problems and help him deal with them. It was stated by Rebekah that Klaus fancies Camille and Klaus indeed trusts Camille more than his siblings, as he let her knew it wasn't he who killed Aiden.

In season Three Camille becomes more and more Klaus' love interest. When Klaus' former vampire girlfriend Aurora abducts Camille and Klaus comes to her rescue, he finally admits his feelings to Aurora and to Camille in person at Christmas night, sharing their first kiss. It was their last happy evening, because the next morning Cami is turning vampire being compelled by Aurora to cut her throat after drinking a vile of Aurora's blood. Camille becomes a baby vampire having paranoid issues of her own, just like Klaus, because she thinks Klaus loves Aurora and he only loved her humanity. Just when things become better between them and Camille comes to Klaus' rescue when he is abducted by Lucien and Aurora, Lucien gives Camille a deadly bite.

While she is dying in the compound Klaus brings Camille into a dream world where they share a perfect date at a corner café, the personal wish of Klaus, with the same painter in the background when they met the first time. Before the end, Klaus reveals his true feelings. He admits to loving her. And that out of his long life and the many people who have been forgotten, he will carry her with him. In that way, Cami realizes that would make her immortal. Once Cami dies, Klaus was utterly heartbroken and began to cry and does not utter one more word for the rest of the episode. He becomes totally silent.

Klaus remained in love with Cami long after her death until he finally died as well, envisioning Cami as his good side both when suffering due to Papa Tunde's Blade and the Hollow and mentions of Cami's belief of him being able to be a good person swiftly shifting his mood from sarcasm to a genuinely joyful and solemn demeanor. It was very possible that Klaus was reunited with Cami after he died and the two could spend an eternity in the afterlife now.


Klaus saw Aiden had the potential to be a better, more reasonable, and stronger leader than Jackson, the moment he saw Aiden defy Jackson's orders outright and he gave him an advice that proved fruitful. Afterwards, Klaus offered to help Aiden replace Jackson as the Alpha of the Crescent and successfully tempted Aiden into working for him. Despite the enmity between Klaus's pack and Aiden's, they had a rather working relationship as both Klaus and Aiden respected one another. Klaus trusted Aiden to spy on Jackson, though this proved to be the last straw for Aiden, who regretted working for Klaus and ratted him out to Jackson. As brief as their relationship was, Klaus did genuinely care for and trusted Aiden, having considered him a friend and never believed he would turn against him. Even after learning Aiden told Jackson, Klaus was upset over his friend's death, though he hid his feelings after being clearly distraught seeing Aiden's brutally maimed corpse for a while to instead flaunt his famous cruelty.


Klaus met the priest and leader of the Human Faction Kieran O'Connell the first time to make him capture Agnes, the killer of his nephew, and his first impression of the priest was that of respect, being impressed to see Kieran not be afraid of him. Since then Klaus had shown a rather commendable amount of respect and trust for the priest, which seemed to be returned, as Kieran supported his rise to power by calling a meeting to introduce Klaus to the faction, which Klaus appeared to appreciate. Though the meeting ended up badly, Klaus spared Kieran only out of respect for him and trusts him to protect his Werewolf family from the Vampires, which Kieran agrees to and Klaus in turn agrees to compel his niece out of town now. Kieran was also the first person Klaus went to in order to combat the potential disaster caused by Davina's powers forcibly returning to New Orleans soil. In time, Klaus came to consider Kieran a friend, being concerned for Kieran when he was hexed by the witch Bastianna and tried to help him, first by compelling him and then by leveraging the live of Monique to force Bastianna to undo the hex, though it led to him being captured by the witches, and tried to save him using his relationship with Genevieve only to make her decide to let Kieran die slowly and painfully. He felt remorseful over this and tried to make Cami cease her attempts to save him as it was only making him suffer more, acknowledging Kieran as a good man who doesn't deserve it. Although Klaus turned him into a vampire, albeit reluctantly, knowing fully well that Kieran would rather die, Kieran didn't held it against him and only asked that he leave him and Cami to speak alone, as they both know Kieran would accept death over being a vampire. When it turned out Kieran's hex returned even as a vampire, Klaus mercy-killed Kieran, though he sadly told Kieran that he deserved far better than this, and out of respect for Marcel's friendship with Kieran, allowed him to return to bury his friend.




  • Klaus has never actively sought to tear his family apart but sometimes he has been forced to do this for the sake of victory and usually only when severely provoked by his maternal half-siblings.
    • Though at first Elijah and Rebekah were the hero during the family's conflict as he sought to rescue them from Klaus who had daggered them, in time Elijah became more antiheroic while Rebekah outright antagonistic during the Originals as Klaus became more of the hero, though Elijah still occasionally takes up the "hero" position again, as with the revelation that Rebekah brought Mikael to New Orleans being one of the only time when Klaus became the antagonist again, as he was too lost in his rage to comprehend forgiving Rebekah and led to Elijah temporarily becoming the hero as he stalled Klaus long enough to quell his rage, though he failed to stop Klaus and was neutralized before Klaus forgave Rebekah anyway. Klaus's tendency to drive his family apart ultimately ended in a disastrous manner, as Klaus driving Elijah apart and refusing to belief Elijah's foresight that his attempts to get the wolves to protect Hope would only lead to them turning against him led to the creation of Moonlight Rings that weakened Klaus. Even Klaus admitted that Elijah was correct and he was wrong.
    • This is most prominently seen in Season Two in their conflict with Dahlia: Klaus, in his desperation to make everyone fear him, refused to trust Freya and even took the blame of Aiden's murder. Though Elijah eventually daggered Klaus, it was Klaus who brought it on himself as he refused to trust Elijah. In fact, Elijah was the only one who at first did not want Klaus brought down, as Rebekah was outright considering taking down Klaus, and would have never daggered Klaus had he knew the truth. Likewise, Klaus ended up having to pretend to get revenge to win against Dahlia, which led to Elijah and Rebekah turning their backs on him in a not so unjustified manner, as though Elijah did dagger Klaus, Klaus brought it on himself and his revenge of killing Gia was unjustified as she had nothing to do with this.
  • Klaus is the only one of his maternal half-siblings (Elijah and Rebekah) who never broke the Always and Forever vow, as his maternal half-siblings broke it, for their own selfishness, choosing love over there half-brother; as the vow was about Elijah and Rebekah standing by Klaus' side no matter what, not the other way around.
  • Despite his negative traits in the Vampire Diaries, he was more of an anti-hero, then an antagonist.
  • Klaus' current allies are Marcel, Camille, Rebekah, whom he is protective over.
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