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Fool, ya fool!
~ Killer B's catchphrase

Killer B is a major supporting character in the anime and manga series Naruto Shippūden. He is the host of Gyūki, The Eight-tailed demon Ox. He was a shinobi who trained Naruto and is partners with him while fighting Obito Uchiha. His notable jutsus are rising bomber and a version of the lariat which he does with his older brother, the Raikage A. He one time fought Sasuke Uchiha but it ended up that Sasuke gave up and Killer Bee remained alive. He is the most recent jinchūriki of the Eight-Tails, though, unlike his predecessors, he is able to befriend it and hone its power for Kumo's benefit. Despite being responsible for the village's protection, B aspires to be the world's greatest rapper.

He is voiced by Hisao Egawa in the Japanese version, and by Catero Colbert in the English version.


B and A become brothers.

At a young age, B along with several other children were gathered in order to select a tag partner for A. Out of all the children gathered, B was the only person able to successfully perform the Double Lariat with A. As such he was given the name "B", and A stated they would be brothers from that day on. Since the age of five, B has been best friends with Motoi, whom he always greeted with a fist bump. After A's cousin, the jinchūriki of Gyūki lost control and killed Motoi's father along with seven other ninja on that day, B was chosen as its next jinchūriki. Soon afterwards, B suffered from similar prejudices against jinchūriki, not too different from that the villagers of Konohagakure and Sunagakure had against Naruto Uzumaki and Gaara respectively. However, he kept smiling and pushed himself to be the best jinchūriki that he could be, so that his brother wouldn't be hurt politically as the Fourth Raikage.

Killer B faces off with Minato Namikaze.

After his father's death, Motoi tried to kill B, believing it would also kill Gyūki and avenge his father, but B disarmed him easily, and despite the attempt on his life, bore him no ill will, which led Motoi to not speak to B for thirty years out of shame. B would later train with his brother on an island in the Land of Lightning, where there he would find the Falls of Truth. There he learned how to control Gyūki in a amazingly short period of time. Some time after his training, B, alongside A, and other Kumo shinobi confronted Minato Namikaze and his small squad. When Minato moved to counter A's attack, B used a tentacle to push A out of the way, causing shock to the Konoha shinobi that he was Gyūki's jinchūriki. From this encounter Minato would come to have much respect for B and his abilities. Some time since then, much like Naruto, B has become beloved in Kumo as the village's hero, or, as Motoi called him, the "Hero of Heroes".

When A became the Raikage, he forbade B from fully transforming into the Eight-Tails and restricted him from leaving the village, saying instead that he would become the guardian of the village and attack from within its walls, to protect him from meeting the same fate as his adoptive father.


B writing in his rhyme book during battle.

Killer B is very proud of his own power and also very proud of who he is. Like Naruto Uzumaki, who has great overconfidence, Killer B can be quite cocky and stubborn, especially in terms of his own strength, demanding respect from others and asks to be called "Lord Jinchūriki" (人柱力様, Jinchūriki-sama) and his tailed beast be called "Lord Eight-Tails" (八尾様, Hachibi-sama). B has a special way of expressing his pride through song, more specifically in rap-style and tends to use "Bakayarō! Konoyarō!" (「バカヤロー!コノヤロー!) when referring or speaking to others. He will even write his rhymes in the middle of a fight, or during an important meeting, even if they are no good, which is usually the case. This sometimes causes the people around him to become greatly annoyed by him. B doesn't respect anyone who would make fun of rap or his lyrics.

The Raikage has noted that Killer B is not the type of person to work with the strategies created by people and that he would only bring chaos into a battlefield; in his youth he was already seen completing missions, that were supposed to be assigned for both him and his brother, without A's knowledge. The Raikage also notes that he is the only being that B will listen to, as he is able to keep him in check. Despite all this, B knows talent when he sees it, and respects those with it. The primary example is his fellow Kumo jinchūriki, Yugito Nii, who he looked up to for her extreme skills. He had also praised Sasuke after their fight, stating he was one of the strongest shinobi he had ever fought. B has a very close relationship with his older brother, the Raikage. According to Motoi, the reason behind him becoming a jinchūriki was for the sake of his brother, even if it meant being shunned by the villagers. He didn't complain, and was always cheerful and determined.

B fist bumping.

Due to the fact that he was confined to the village very soon after his brother assumed office and made the village's guardian, B desperately wished for a vacation and was even ready to fake his capture for one. When the Fourth Raikage, Darui and C learned that B was not captured by Akatsuki, they immediately guessed his intentions and were not surprised by it, though they were very displeased. This lead to him receiving his brother's "Iron Claw" as punishment. B also tends to fist bump with others. This ties into his rapper personality and also serves as a means of communication of sorts, with others without the need to speak.

However, when someone close to him is in danger, Killer B has no qualms about putting himself at risk to save them, if necessary, as seen when he prioritised the safety of his singing master Sabu and his pet, Ponta over confronting Kisame head-on when the Akatsuki confronted his entourage. This caring nature differentiates him from a typical jinchūriki, most of whom are cynical and uncaring towards others due to their circumstances. However, it was hinted that his past as a jinchūriki may not have been unlike Naruto's, since Motoi claimed that being a fellow jinchūriki, B understands what Naruto went through. He has a casual relationship with Gyūki, frequently engaging in friendly conversation with it, even sitting upon its nose when not in combat. He was also completely unaffected by Naruto's Harem Technique, resisting lustful advances and even appearing indifferent. However, he is not completely unaffected by such things, as he noticed Tsunade's chest, which his brother reprimanded him for and he later stared at Yugito's own chest when it was shown during his fight with Tobi's Six Paths. This is later explained as having a preference toward older women, at one point confessing it during the fight against Tobi, much to his tailed beast's surprise and chagrin.

B is also very kind and compassionate, having befriended all the giant animals on the Island Turtle which may indicate that he has a liking for animals, as well as never expressing any ill will towards Motoi who tried to take his life, nor against the villagers who used to shun him.


Killer B is an incredibly powerful shinobi with incredible skill, and was notably able to tame the Eight Tailed Beast, making him one of the only jinchūriki to ever befriend their Tailed Beast. Killer B is a shinobi of such high caliber that he is hailed as a Hero of Heroes in the Hidden Cloud Village. He stood his ground against Sasuke Uchiha and his team of other dangerous fighters, and slipped away after he fooled them into thinking they captured him. He is supposedly the second strongest ninja in the Land of Lightning, behind only the Raikage A, but is still strong enough to keep up with him and become a dynamic duo together.

Jinchūriki Transformations

Killer B is the jinchūriki of Gyūki, though he is a ninja of great power rather than just a jinchūriki, being able to bond with Gyūki and access his full potential. Only because of this is Killer B able to access all 3 Jinchūriki forms while remaining in full control of himself, something only the most competent of Jinchūriki could accomplish, and only the most extraordinary could be able to do in Version 3. His knowledge of Jinchūriki techniques was possibly the greatest in the world at one point, being able to teach Naruto how to control the Nine Tails, something nobody else could teach but him.

Tailed Beast Ball

Utilizing his Jinchūriki Transformations, he could enter Version 3 and fire powerful explosions from his mouth, the Tailed Beast Balls. These ferocious attacks are one of the most feared jutsu of the Tailed Beasts, and Killer B can perform the technique while having full control of his actions. He can also coil his tentacles around himself in this form and extending them out while spinning around, to summon a wind powerful enough to level all the terrain around him, a technique that affects a large area. Killer B can apparently regenerate any of Gyūki's tentacles that he loses, though this only works on his tentacles and not his horns. Version 3 is saved only for when he needs to go all out, using this form for the majority of the Fourth Great Ninja War. Being a Jinchūriki hasn't kept him from mastering weapon techniques and utilizing the lesser forms of Jinchūriki even after learning Version 3.

In Version 1, Killer B has this version's red cloak of dense chakra around him, with seven tails. In Version 2, this transparent chakra cloak becomes more like thick armor that completely envelopes B's body, giving him enhanced durability and speed. This is the form Killer B moves fastest in. He combines his wrestling techniques with this form to fight with brute strength when needed. The strength of two jinchūriki in this form clashing is strong enough to create small shockwaves, which indicate Version 2's strength. Notably, B is capable of undergoing a partial transformation in which he extends Gyūki's tentacles out his own body without undergoing Version 3, to enhance his fighting ability. Furthermore, he can additionally create ink, for sealing, blinding, and writing lyrics for his raps. With all of these abilities and modes of combat, B has shown to have very great technique.



Killer B's signature technique

Killer B's signature technique is his Disturbance Taijutsu, in which he wields 7 knives at once-- one in his left armpit, one in both curled elbows, one in his right shoulder, one supported by his right leg and stomach, and another in the knee area of his right leg, and finally, one in his mouth, none of which are held with his hands. This bizarre technique is capable of overwhelming Sasuke Uchiha in Kenjutsu, who possessed the Sharingan and couldn't counter him even with his enhanced vision and awareness.

Killer B moving in his Acrobat stance using Disturbance Taijutsu.

The stance is called Acrobat, comprising of wild dances and flips while swinging unpredictably, even throwing his swords into the air, catching them, and doing any offensive attack you could imagine such as slamming the ground, sweeping, or pushing the opponent. After successfully overwhelming his opponent, he will finish them off by impaling them with his blades with pinpoint accuracy, with 7 chances to hit a vital spot. His skill in Kenjutsu even applies to normal swords and longswords as well, being able to teach Omoi Cloud Style, use a longsword in combat, and even wield the most dangerous of the Seven Swords, Samehada, which can siphon chakra from people. Additionally, he can imbue these blades with Lightning Style to increase their sharpness.


Sasuke and Killer B clashing blades, countering each others' lightning chakra.

Thematic of ninja from the Land of Lightning, B shows exceptional skill in Lightning Release. Killer B uses his lightning style to enhance the power of his technique, imbuing his blades with lightning nature chakra to enhance their sharpness. This allows him to cut through other opponents' blades, or when fighting Sasuke, counter his own lightning natured blade. His skill in infusing lightning nature chakra is primarily used to strengten his swordsmanship, but he has also been seen throwing pencils with enough energy to go through a tree, and easily transpierce someone. He can also use his body to unleash lightning attacks, which are based off of wrestling. The most notable technique is his Lariat, a lightning style technique that depending on the pressure exerted on the opponent, can kill someone. He can do this in and out of Jinchuuriki form Version 1 and 2, but may materialze bones when performing this in Version 2, where it can definitely kill someone.


B can generate ink, which among other purposes such as writing and blinding, can formulate sealing techniques. His signature sealing technique, Octopus Hold, can be used to seal up to 1,000 reanimated shinobi. He creates clones out of ink that bind to their target and seal them away within three seconds after entangling them.

Chakra and Physical Ability

Being a shinobi as highly trained as he is, B has great strength, speed, and durability. His physical strength is enough to rival Raikage A's as shown when they collided Lariats in him and Naruto's battle with A. With his abilities enhanced by lightning enhanced conditioning and Eight Tails chakra, his attacks are said to be capable of decapitation and dismemberment. His agility is shown by his Acrobat stance, and his durability was shown when he withstood Jūgo's Living Wall Fist technique, all of this in his normal form. Though he can withstand electrocution, he is no match for the black flames of Amaterasu, which was capable of incapacitating him, even in Version 3. His speed is not as fast as A's however, who is one of the fastest characters in the series, being able to keep up with Naruto while B cannot. Like Naruto, he possesses chakra reserves that are beyond average, having the second most chakra of all Jinchūriki since he is the Eight Tails, below Naruto. Also like Naruto, Gyūki will help him break free of any Genjutsu, making them inaffective against B.

Other skills

B is highly resistant to psychological attacks, having overcome his dark form in the Waterfall of Truth like Naruto did Dark Naruto. Thought forms in the Waterfall of Truth are the manifestation of the hatred deep inside oneself, and abuse psychological attacks to an uncanny degree, nullifying physical attacks since they are you and every attack will end in a stalemate, while overwhelming one with negative thoughts and jarring realizations, possibly corrupting someone unless they have the mental fortitude to fight back. Having the resilience and uplifting attitude he has also manages to control his composure even in demoralizing situations. B is also a master at taming animals, having tamed nearly all the animals on the Island Turtle. He has questionable skill in his hobby of rapping, though he can generate ink to write rhymes in his free time.

Part II

Invasion of Pain Arc

Killer B stabs Sasuke.

While leaving the Valley of Clouds and Lightning after training, B was confronted by Taka. He was immediately attacked by Suigetsu, whose sword B took and used to overpower Jūgo. Sasuke Uchiha then stepped in and used his own sword to take back Suigetsu's. Impressed, B brought out his seven swords and attacked Sasuke, his unorthodox fighting style preventing Sasuke from tracking his movements with his Sharingan. Sasuke tried to gain the upper hand by channelling lightning through his sword, but B did the same with one of his swords, removing the advantage, and plunged the other six into Sasuke's torso, dealing him a critical wound.

B vs. Suigetsu.

Before he could finish off Sasuke, Suigetsu and Jūgo came to his defense while Karin retreated with Sasuke and healed him. B was able to damage Suigetsu's sword but Taka was also able to force him back. Sasuke was healed by Karin and the fight continued. B became bored with the fight and tried to leave, but was tracked by Karin. With escape not an option, B entered his Version 1 form and attacked Taka. Taka was able to elude him and Sasuke caught him in a genjutsu, which Gyūki helped B break out of, allowing B to hit the unaware Sasuke with a Lariat, blasting a hole in Sasuke's chest, again mortally wounding him. Deciding to finish things off, B fully transformed into his tailed beast. He then fired a Tailed Beast Ball, which Suigetsu was able to protect the rest of Taka from by using himself as a shield.

Sasuke, specially healed by Jūgo, used Amaterasu on B. B rampaged in pain and almost crushed Karin with one of his tentacles. Sasuke severed the tentacle, and B used the opportunity to escape and fake his capture, by substituting with the severed tentacle and leaving behind a decoy. Taka were unaware of this, and delivered "B" to Akatsuki while the real B left the village to go on vacation. While later trying to extract Gyūki from this B's body, Akatsuki discovered that this was a fake.

Five Kage Summit Arc

B and Sabu clash with Kisame.

Free from his confinement to Kumogakure, B sought out Sabu to advance his music career. In the midst of training B was found by Kisame Hoshigaki, who tracked his powerful chakra with his Samehada. While Sabu attacked him, B struck from behind with one of his lightning-imbued swords. Not only was Kisame able to block their attacks with Samehada, but B's lightning disappeared when it makes contact. B entered a Version 1 form and attempts to Headbutt him, but his chakra shroud disappeared too. Sabu realised that Samehada was absorbing B's chakra.

B entered a seven-tailed Version 1 form and attacked Kisame again but Samehada absorbs most of his chakra. Upon realising that Samehada could only absorb six tails at a time, B entered a Version 2 form and created chakra-bones to use in a more powerful Lariat. Kisame was badly damaged and Samehada was only able to absorb his Version 2 chakra, returning B to a Version 1 form. Samehada used the chakra it absorbed from B to heal Kisame, who quickly merged with Samehada and created a dome of water around them. B tried to get Sabu and Ponta out of the dome before they drown, but the water dome moved with Kisame. B drew Kisame away from Sabu and Ponta, in order to force him to release them to pursue B. Once they were free, B confronted Kisame, only for Kisame to render all of B's counterattacks ineffective and slowly absorb his chakra all the while.

A and Killer B finish off "Kisame".

When B lost consciousness, Kisame dissipated the water dome. To prevent B from escaping, Kisame tried to cut off his legs with Samehada. However, Samehada had grown fond of B's tailed beast chakra during the battle and betrayed Kisame; in addition to not letting Kisame harm B, it transfered some of the chakra it stole back to him. Kisame kicked it away and tried to cut off B's legs with one of B's own swords, but the Raikage and his bodyguards arrived to stop him, having noticed Kisame's water dome. Samehada continued to replenish B's reserves, allowing B and A to perform Double Lariat to decapitate Kisame. A then reprimanded B for running away from the village.

When they returned to Kumogakure, B now carrying Samehada, they were greeted by the villagers at the main gate. B's students, Omoi and Karui, ask about Samehada. They and B were unaware that Kisame, having faked his death, was hiding inside Samehada to gather intel on Kumo and the Shinobi Alliance during the meetings B later attended (and didn't pay attention to).

Confining the Jinchūriki Arc

Killer B's house on the island.

Shortly before the Fourth Shinobi World War began, the Alliance decided to send the remaining jinchūriki to Kumogakure's Island Turtle to hide. B arrived there first, allowing him to defend fellow jinchūriki Naruto Uzumaki from the island's Giant Squid when he arrived. Shortly after this, Naruto approached B for help gaining control of the Nine-Tails. B refused, having noticed an evil within Naruto, and also due to Naruto accidentally insulting his rap. Later, when the squid attacked Motoi, B came to his aid. After the squid was subdued, Motoi asked B why he saved him, despite surely knowing about Motoi's earlier attempt on his life. B's reaction was to act like it had never happened, and did not hesitate to reconcile with Motoi.

B and Motoi reconcile.

After observing the reunion between B and Motoi, Naruto was able to overcome his inner hatred. With it vanquished, B took him to the secret temple behind the Falls of Truth, to allow him to battle the Nine Tails for control of its chakra. When Naruto first opened the seal and released the Nine-Tails, B tried to help him contain it. His abilities were limited while in Naruto's subconscious and he was only able to block a tailed beast ball from the Nine-Tails before being knocked out of the fight. Naruto eventually emerged victorious and communicated all that he went through to B with a fist-bump. Naruto then demonstrated his new control of the Nine-Tails, allowing him to expose Kisame's presence.

Kisame fled with Samehada and B pursued him. Samehada tried to return to B, allowing Kisame an opportunity to absorb his chakra. When he recovered, B flung Might Guy after Kisame. Guy was able to capture him but Kisame committed suicide to prevent the group from interrogating him. They tried to check the intel Kisame had with him, only to be imprisoned while a shark swam away with the intel. B tried to catch the shark after he freed himself, but was unsuccessful. Fearing an imminent Akatsuki attack, the island's animal population was moved indoors. Because Naruto was not to know about the ongoing war, B helped keep Naruto distracted while the other members of the group fought the Akatsuki outside.

Shinobi World War Arc

To keep Naruto occupied, B started helping him gain control of his new Nine-Tails Chakra Mode, first by having him use his chakra arms to stack blocks in a perfect column. When Naruto mastered this, they moved on to transforming into the Nine-Tails. The Nine-Tails would not cooperate with Naruto on this, leaving him unable to use the Tailed Beast Ball. They instead decided to practice with Naruto's standard techniques to see how the Nine-Tails' chakra affected them. Naruto began with his Rasengan, which B recognised as being based on the Tailed Beast Ball. B encouraged him to focus on mastering the Rasengan in this new form.

During training, Naruto sensed some of the Nine-Tails' chakra elsewhere. B tried to convince him that it was nothing, determined to keep Naruto in the training room so he wouldn't find out about the war. He nevertheless let Naruto leave to go to the bathroom, unaware that it was a lie from Naruto. When Naruto didn't return, B went looking for him, but instead found Iruka Umino, Naruto having found out about the war, and headed off to try and stop it. Iruka requested that B protect Naruto, and after recognising Iruka as a positive influence from fist-bumping with Naruto, B agreed, and went after Naruto. When the Eight Tails protested, B reminded him that they were still training, and stated that real world experience would always be faster than training. He caught up to Naruto and the two teamed up to break through the Thirty-Six Layer Self-Repairing Barrier to escape from the island. They then headed for the battlefield.

B intercepts A's attack to save Naruto.

While en route, they were intercepted by A and the Fifth Hokage. B stated he thought Tsunade was attractive. B tried to convince his brother to let them pass, promising to keep Naruto safe from Akatsuki. A was not convinced by his words and, when Naruto promised to use force to escape, the Raikage threatened to kill him. B blocks the latter's attack and informed his brother that he must be willing to kill both of them. A claimed to have no problem with this but B, unbelieving, bumped fists with him to remind him of all they had been through together. B further stated that since A became the Raikage, he has failed to see B's development in strength, and has therefore underestimated him. Still unconvinced, both he and Naruto tried to combat him but struggle doing so as A manages to fight them off. B and A later simultaneously hit each other with their respective Lariats, with B overpowering his brother.

B explained how he overpowered A with his Lariat; his true strength, along with Naruto's, came from the people that believed in them, not just the beasts inside of them. A eventually pushed B out of the way and activated his Lightning Release Armour again, seemingly intending to kill Naruto. Naruto dodged A, who revealed that he attacked in order to test Naruto. Impressed, he and the Hokage let them pass.

B and Naruto later encountered several shinobi, including F who told B that they were to return to headquarters as back-up. Before he could continue however, Naruto attacked him revealing that F and the other shinobi were transformed enemies much to B's shock. After taking out a few of the clones, B watched on with amazement and pride as Naruto took out the enemy, while noting that in response to Naruto's Tailed Beast Chakra mode the Zetsu were turning into trees in the same manner Yamato's wood creations did at the Tailed Beast Temple. Later while Naruto arrived just in time to save two shinobi from Toroi's onslaught, he had a conversation with one of his fellow Kumo-nin before setting out once again.

B clashes with Itachi.

While en route with Naruto, the two encountered Itachi Uchiha and Nagato. As the battle commenced suddenly with Itachi being forced to use the Fire Release: Great Fireball Technique, B used Samehada to slice through the attack effectively saving both him and Naruto, although Samehada was unhappy about being used to cut through hot flames. As Itachi appeared behind B suddenly and used the Fire Release: Phoenix Sage Flower Nail Crimson technique, B countered with his transformed arm. B then used the tentacle to grab Itachi, only for him to disappear in a flurry of crows. As Itachi told B not to look into his eyes, Gyūki broke B out of the genjutsu he had already been caught in. He then charged Itachi using his seven swords. Itachi retreated onto Nagato's summoned bird.

As Itachi activates his Mangekyō Sharingan B tried to stop him by throwing his sword but it was repelled by Nagato. As a result of his Sharingan use, Itachi activated a crow he had stored in Naruto earlier, which was able to free him from Kabuto's control. Itachi, now on Naruto and B's side explained to Naruto and B why the crow had a Mangekyō Sharingan and how he got it. Nagato, after recovering from Itachi's attack and being completely controlled by Kabuto, sneaked behind them with his chameleon summon and used Shinra Tensei to attack Killer B and Naruto. Nagato appeared behind B and tried to attack him, but B went into his Version 2 transformation and countered Nagato's attack with a Lariat. Nagato used the Preta Path's ability to absorb B's chakra, causing him to regain a youthful appearance.

B attempting to free Naruto.

Seeing Naruto in dire straits with his soul being removed, B moved to attack Nagato. Nagato, sharing vision with his own chameleon summon and the King of Hell, intercepted B by using his Asura Path abilities. Before Nagato could fatally injure B and remove Naruto's soul, they were rescued by Itachi's Susanoo. As Nagato used Chibaku Tensei in an effort to trap them, Itachi told them to attack the centre of the sphere in an attempt to dispel the technique. With the combined force of B's Tailed Beast Ball, Itachi's Yasaka Magatama and Naruto's Wind Release: Rasenshuriken, the sphere was dispelled. B watched on as Itachi's Sword of Totsuka began to seal Nagato who passes on his final words to Naruto, before passing onto the afterlife.

After Itachi claims that he will stop the Summoning: Impure World Reincarnation technique, B voiced his doubts and recalled that they were not able to kill the reincarnated ninja, just seal them. Itachi reminded them again that no matter how infallible a technique may seem, it always had a weak point. As Naruto stated that he would end the war and attempted to create shadow clones he reverted to his normal self, having used up too much of the Nine Tails's chakra. After Itachi told Naruto not to try to shoulder everything himself, B told him that he had made a promise to Iruka to protect him.

Fukai and Killer B clash

B was later scolded by Gyūki for taking too long to urinate and for letting Naruto go ahead of them. When Naruto's clone contacts them mentally, wanting help for fighting the reincarnated Third Raikage, he asked B to let him speak to Gyūki to which B refused while urinating. However, the clone still got to speak to the beast because it could overhear mentally. Later, in the anime, B was met by Motoi, on orders by A to aid B. Soon afterwards, they were met by the surpise appearance of the reincarnated Fukai. To their further surprise, Fukai still possessed the ability to access Gyūki's demon cloak and enter "Version 2" mode. Caught off guard by this, the controlled Fukai launched a Tailed Beast Ball at them. Samehada however acted first and consumed the blast. B then entered "Version 2" and clashed with his predecessor.

Not understanding how this is possible, Gyūki asked Fukai how he can still use the demon's power. Fukai explained that his sudden rampage from thirty years ago was in fact orchestrated by Orochimaru who harvested some of Gyūki's severed horn during the chaos. Fukai also explained that the said genetic material was used as a medium to recreate Gyūki's power. Seeing that Fukai's demon powers and immortal body was too much for him to handle alone, B decided to retreat. Motoi tried to help, only to be defeated quickly. Seeing Motoi in trouble, B quickly counterattacked to save his childhood friend. Shocked that B had actually found true friends who accept him for who and what he is, Fukai realised that B had in fact found what Fukai could not to become a fully-realised jinchūki. Happy to see that B had found his own happiness and succeed where he could not, Fukai was able to break the summoning contract and return to the afterlife.

B and Naruto clash with Yugito and Han.

After catching up to Naruto, the two jinchūriki ran into Tobi with his Six Paths of Pain. After a short skirmish with the other jinchūriki, and conversing with Gyūki about the jinchūriki and Yugito's fate, B enquired about the "other Madara" that Naruto was speaking of. Looking on smiling as Naruto told Tobi that it wasn't all bad living with a tailed beast inside them, he declared that he would go first before staring in shock as the other jinchūriki began their tailed beast transformations.

B transforms into Gyūki to level the forest.

Shocked that they still had their tailed beast skills, B attacked Fū head-on nonetheless. After she dodged several of his and Samehada's attacks, Naruto informed him of the shared field of vision that the Six Paths of Pain possessed using the Rinnegan. Catching Naruto, B fled the vicinity after seeing Yugito unleash her Mouse Hairball technique. Clashing with her while escaping, he was able to land a somewhat shallow attack on her that immediately begins repairing. This opportunity however, allowed B to see where Tobi had implanted the chakra receivers in his Six Paths. After Naruto's attempt to destroy the receivers in Rōshi's chest was thwarted, B agreed with Gyūki that the forest was too much of a hindrance for them and transformed into Gyūki to level the entire forest.

B immediately moved to seal the revived jinchūriki with his Octopus Hold technique but it was unsuccessful as Tobi caused the jinchūriki to enter Version 2-like states. As they began counter-attacking, B and Naruto tried to fend them off, but began feeling the pressures of fighting six powerful opponents. B was attacked by a fully transformed Han, who gored him with his horns and sent him flying, seemingly knocking him unconscious. After B came to, he asked Gyūki if it was all right to which it replied that they were both wounded. After Tobi lost total control over the Five-Tails and restrained it with a chakra chain, B attempted to crush him within Gyūki's fist, but Tobi simply slipped trough it.

As the Five-Tails was being subdued, B and the Eight-Tails asked Naruto if he had also heard Five-Tails' voice and the Eight-Tails then lamented that seeing other tailed beasts treated that way naturally annoyed the rest of them. While Gyūki and the Nine-Tails were talking telepathically, Naruto suggested using shadow clones to create a diversion and allow them to strike Tobi, B urged Naruto not to as he would die due to the Nine-Tails sucking away his chakra. However, Gyūki revealed that the Nine-Tails had seemingly stopped doing this for some time now due to Naruto's stable condition after using so much of the beasts' chakra. He then got tossed away by a fully transformed Rōshi. B was later impressed when Naruto managed to escape Son Gokū's stomach using shadow clones.

After Naruto successfully removed the chakra receiver, B watched on with shock as the beast was resealed into the Demonic Statue of the Outer Path in the blink of an eye. As Naruto rallies, telling the beast and B to get ready, it told him that he and B would be take the front-line while Naruto acted as support because he was still unable to transform into the Nine-Tails. After Naruto told them it would be fine because they were a pair of duos, he wondered whether Kurama had finally come around. As the battle began, to B's astonishment, Naruto assumed the form of his tailed beast before joining the fray.

During Naruto's attack, Gyūki stopped the Three-Tails from attacking him, and also repelled another attack from the Five-Tails. After the Three-Tails freed itself from Gyūki's tentacles, they watched on as the five beasts prepared a collaborative Tailed Beast Ball and Naruto prepared to negate the attack with one of his own. As Gyūki wondered if Naruto would be able to do it, B told it that he almost did it during his training, but was sure that Naruto would be able to do it now.

Naruto and Killer B battling the Demonic Statue of the Outer Path.

As the two Tailed Beast Balls collided, B grabbed Rōshi's body and protects himself from the after-effects of the attack as he noted that Naruto hit the base of the other attack allowing it fly into the air. He later congratulated Naruto on freeing the other beasts, before advancing behind Naruto, Guy and Kakashi prepared to fight Tobi directly. Later, as Naruto mocked Tobi with the information he had just learned, B looked on smirking. After the jinchūriki's corpses are enveloped in a light of sorts as the Impure World Reincarnation technique is released, B told Naruto that they had to pick up the pace to compete with Itachi's contribution. He is later seen mobilised beside Naruto, Kakashi and Guy as they prepare to assault Tobi and the Demonic Statue of the Outer Path.

Ten-Tails Revival Arc

B attacks the statue.

While the shinobi regroup and discuss the gash in Tobi's mask. B uses the opportunity to attack the statue. Moving in with a punch, he declared that the statue was wide open. However, his attack was deflected by Tobi's Uchiha Flame Formation barrier which burned his hand. Telling Naruto that he was okay, B prepared to launch the strategy that Kakashi had developed. Holding all the shinobi in his hands, B threw the trio towards Tobi. When they regroup after Tobi's arm is hit by a seemingly unseen attack, B listened to Kakashi's explanation of Tobi's technique and then enquired if all Space–Time Ninjutsu shared the same dimension. When told no, B told Naruto that it still would not be easy to land an attack on an intangible person. When Kakashi stated that their belief that Tobi was becoming intangible was incorrect, B enquired once again how it was possible for their two Sharingan to share the same dimension. As the battle against Tobi continued Tobi shot multiple stakes at Gyūki and B which are made to bind and suppress a tailed beasts power using his Space–Time Ninjutsu. Incapable of assisting because of the stakes, B is left to observe as Naruto successively breaks Tobi's mask revealing his true identity as Obito Uchiha. When the real Madara arrived to the battlefield, B asked Naruto what this could mean for the Kage, distressed at the possibility of something happening to his brother. When Madara casually disregarded the situation, Naruto used his tails to free him of the stakes, and threw them at the Uchiha, however, Madara easily blocked the stakes with a barrier. Madara then told Obito to handle Kakashi and Might Guy, while he dealt with B and Naruto.

As the battle with Madara ensued, B was seemingly knocked to the ground, leading the beast to comment on Madara's power. When an injured Guy told them that was why Madara was worth fighting, the beast told Guy that he shouldn't be pushing himself so hard. As the battle waged on, he and Guy were restrained by Madara, before the Uchiha can land the finishing blow, he is intercepted by Naruto. After Might Guy's Daytime Tiger sends the legendary ninja flying away from them, B noted that Guy wasn't just acting tough. After breaking free of his constraints, B warned Naruto that the wood could suppress a tailed beast's power before turning his attention to the statue. Forming a collaborative tailed beast ball with Naruto, B fires it at the statue and believed it to be destroyed. Their celebration, however, was cut short when the smoke cleared and the Ten-Tails appeared on the battlefield.

Asking Kurama if it really wanted to fight that, Gyūki is told that it could not hide from the beast. Handing over Guy as per the fox's request, the two beast were attacked by the Ten-Tails surprising them with its speed. Ending up on either side of the beast, B signals to Gyūki to fire the Continuous Tailed Beast Balls at the beast. When the smoke cleared, Gyūki was nowhere to be seen. It was later revealed, as B announced their strategy, that Kakashi had warped them right above the Ten-Tails to launch a Tailed Beast Ball at point-blank range. The Ten-Tails flicks his Tailed Beast Ball back at him. With B's full transformation now having reached its limit, Gyūki tells B to buy him some time while he generates more chakra to use. As the Ten-Tails fires a Tailed Beast Ball, the attack is misdirected by the timely arrival of the entire Allied Shinobi Forces.

With the Alliance having bought enough time, B flew towards the Ten-Tails on the back of one of Sai's birds with his chakra now replenished. As the beast prepared to launch a Tailed Beast Ball towards the shinobi, B transformed into the Eight-Tails and prepared a Tailed Beast Ball of his own. Recklessly stuffing Gyūki's head into the beast's mouth, B was able to stop the attack as well as harm the Ten-Tails as both Tailed Beast Balls detonated inside it. Casting aside Omoi's words of caution, he noted that when it came to protecting everyone he was fearless.

With the chakra shrouds protecting them dissipated, Naruto being healed, and Kurama kneading more chakra, B and Gyūki announced that it was time for them to take centre-stage once again to buy the duo some time to recover as Gyūki noted that the Ten-Tails would become unstoppable if it underwent its final transformation. With Shikamaru's strategy initiated, and the shinobi begin to construct earthen — albeit feeble — defences, B intercedes and attempted to throw the attack off-trajectory. However, with none of their combined efforts seemingly working, and the situation looking dire, the Alliance is saved by the arrival of the Fourth Hokage, unbeknownst to them as B looked on puzzled that the attacked had seemingly just vanished.

As Obito emerged within the barrier some time later after sealing the beast inside himself, B asked Gyūki whether or not that was the beast's final form. Gyūki told him that it was not and that from all appearances, it seemed that the beast had been sealed before reaching its final form. With the situation later turning grim as the Alliance was trapped in a barrier with a Tailed Beast Ball-firing tree, B and the other shinobi soon found themselves shrouded in the previous Version 1 mantles again. He noted to Gyūki that it must have also felt Kurama's Yin and Yang halves merge. He and the others subsequently found themselves on the outside of the barrier, escaping the near-fatal attack thanks to Naruto and Minato's action.

When Obito later extracted the Ten-Tails which begin transforming into a giant tree, Gyūki informed B that the Ten-Tails had assumed its true and final form. As the roots of the tree chased B down who complained about the volume of roots that had come after him alone, Gyūki noted that it was more than likely because the tree sensed that he had more chakra than the other shinobi. Ultimately, while worn out, B with Samehada's aid was able to destroy the roots that had confronted him.

When the Kage re-entered the battlefield and A made his way over to where B was and exclaimed that they should get ready to fight, an excited B noted that it was time for the Double Lariat duo to fight.

After Naruto and Sasuke combine their power, landing a critical hit on Obito and weakening his hold on the Ten-Tails, Naruto begins to use the accumulated chakra he got from the other tailed beast to remove the Ten-Tails from Obito. Because Naruto doesn't have any of Shukaku nor Gyūki's chakra, Naruto was unable to succeed. Killer B and Gaara joined in to aid Naruto and reclaim drag the respective tailed beast's chakra out of Obito and stopping the flower atop the tree from blooming.

In other media

Naruto Shippuden: Ultimate Ninja Storm Series

Killer B is a playable character in the Ultimate Ninja Storm video game series, starting from Naruto Shippuden: Ultimate Ninja Storm 2. He is introduced into the game's story mode in Naruto Shippuden: Ultimate Ninja Storm 3, and in bonus chapters in Naruto Shippuden: Ultimate Ninja Storm Generations and Naruto Shippuden: Ultimate Ninja Storm 2. He returns once more in Naruto Shippuden: Ultimate Ninja Storm 4.

Naruto Shippuden: Ultimate Ninja Storm 2

After collecting all of the cursed dolls, the player will unlock a bonus chapter where they must play as Sasuke and fight Killer B. Contradictory to how their fight actually transpired, Sasuke fights B alone this time, without assistance from Karin, Jūgo, and Suigetsu Hōzuki, and in the a forest instead of the Storm Cloud Ravine.

Naruto Shippuden: Ultimate Ninja Storm Generations

In Generations, the Tale of Killer B story arc will unlock after completing all other tales. Unlike the other tales, this tale has nothing to do with the story and exclusively focuses on Killer B. The tale is an OVA of a music video that switches to gameplay whenever Killer B must beat up a foe to introduce them into his music video. After the player defeats the opponent, the character will dance alongside Killer B in the music video in a sad and injured state. The characters that Killer B must fight to get into his music video are Naruto, Might Guy, Sasuke, and Kisame, in that order.

Naruto Shippuden: Ultimate Ninja Storm Revolution

The storyline of Revolution takes place during the non-canon Ninja World Tournament, hosted by Shizune, Shikaku, and Mabui. Killer B is one of the 104 playable characters in the tournament.

Naruto Shippuden: Ultimate Ninja Impact

In the PlayStation Portable exclusive video game Naruto Shippuden: Ultimate Ninja Impact released on October 2011, Killer B is a playable character in both versus and story mode.

Naruto to Boruto: Shinobi Striker

Killer B is a playable character featured in the DLC 2 of the video game Naruto to Boruto: Shinobi Striker.

Naruto the Movie: Blood Prison

Killer B appears in the non-canon movie Naruto the Movie: Blood Prison. He is summoned by Raikage A after a failed assassination attempt on the Raikage's life by a criminal disguised as Naruto Uzumaki. A box known as the Box of Ultimate Bliss had been opened and released a caged avian monster with great power and sensory abilities. Killer B arrived at Hōzuki Castle and saved Naruto from the beast, and eventually assisted in defeating it. Killer B and the ninja of the Hidden Leaf and Hidden Rain villages eventually destroyed the Box of Ultimate Bliss, preventing the evil artifact from creating chaos in the future.



  • Killer B's name is a reference to the famous hip hop group Wu-Tang Clan, often referred to as the "Killer Bees".
  • During his fight with Sasuke, Jūgo, Karin, and Suigetsu, the members of the rogue ninja group Taka, Killer B quotes Muhammad Ali's famous quote: "Float like a butterfly, sting like a bee".
  • Killer B has been noted by series creator Masashi Kishimoto to have possibly the hardest lines to come up with when writing dialogue, due to his naive nature and rapping style.


           Naruto Logo.png Heroes

Hidden Leaf Village
New Generation
Naruto Uzumaki | Sasuke Uchiha | Sakura Haruno | Sai | Shikamaru Nara | Chōji Akimichi | Ino Yamanaka | Hinata Hyūga | Kiba Inuzuka | Shino Aburame | Rock Lee | Neji Hyūga | Tenten

Kakashi Hatake | Iruka Umino | Ebisu | Jiraiya | Yamato | Might Guy | Asuma Sarutobi | Kurenai Yūhi | Konohamaru Sarutobi | Shino Aburame | Hanabi Hyūga | Moegi Kazamatsuri | Udon Ise

Hashirama Senju | Tobirama Senju | Hiruzen Sarutobi | Minato Namikaze | Tsunade | Kakashi Hatake | Naruto Uzumaki

Akamaru | Chōza Akimichi | Shikaku Nara | Inoichi Yamanaka | Ibiki Morino | Anko Mitarashi | Shizune | Katsuyu | Gamabunta | Orochimaru | Kushina Uzumaki | Mito Uzumaki | Itachi Uchiha | Shisui Uchiha | Obito Uchiha | Rin Nohara | Yugao Uzuki

Leaders of Allied Shinobi Forces
A | Ao | Darui | Gaara | Inoichi Yamanaka | Kakashi Hatake | Kankurō | Kitsuchi | Mifune | Shikaku Nara | Shizune

Hidden Sand Village
Gaara | Temari | Kankurō | Chiyo | Kaura

Hidden Cloud Village
A | Killer B | Cee | Darui | Mabui | Karui | Samui | Omoi | Motoi

Hidden Mist Village
Mei Terumī | Chōjūrō | Ao | Kagura Karatachi

Hidden Stone Village
Onoki | Kurotsuchi | Akatsuchi | Kitsuchi

Tailed Beasts
Shukaku | Gyūki | Kurama

Ashura Ōtsutsuki | | Hagoromo Ōtsutsuki | Haku | Hamura Ōtsutsuki | Jūgo | Kabuto Yakushi | Karin | Konan | Nagato | Suigetsu Hōzuki | Utakata | Yahiko | Zabuza Momochi

New Generations
Boruto Uzumaki | Sarada Uchiha | Mitsuki | Shikadai Nara | Chōchō Akimichi | Inojin Yamanaka | Metal Lee | Himawari Uzumaki | Mirai Sarutobi | Iwabee Yuino | Denki Kaminarimon | Sumire Kakei | Wasabi Izuno | Namida Suzumeno | Kagura Karatachi

Video Game Heroes
Komachi | Towa | Yugao Uzuki