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This Article Contains Spoilers - WARNING: This article contains major spoilers. If you do not wish to know vital information on plot / character elements in a story, you may not wish to read beyond this warning: We hold no responsibility for any negative effects these facts may have on your enjoyment of said media should you continue. That is all.

The heroes from the novels and short story collections by the British mystery novel writer, the late Dame Agatha Mary Clarissa Christie (15 September 1890 – 12 January 1976), who is famous for her creation of Hercule Poirot, one of the most legendary fictional detective in literature history. Other notable characters in her works includes but not limited to Miss Jane Marple.

It also contains detectives and their supporters from all kinds of adaptations of her various works, including ITV's TV series adaptation, Agatha Christie's Poirot and Agatha Christie's Marple.

IMPORTANT NOTES[]

Shared Universe[]

• It should be noted that the majority (if not all) of Dame Christie's mystery stories happens under the SAME CONTINUTY, particularly those that involves Hercule Poirot and his allies. Evidence include:
  • Poirot and Captain Arthur Hastings being mentioned and referred in non-Poirot stories like Towards Zero and Partners in Crime as celebrities in-universe.
  • Notable supporting characters in Poirot stories has appeared as protagonists in other novels, particularly Colonel Race in Sparkling Cyanide and Superintendent Battle in Towards Zero, both of them worked with Poirot in Cards on the Table.
  • Recurring characters also includes Mrs. Ariadne Oliver and Ms. Felicity Lemon, who appears as a recurring character in Poirot novels, but had already made their debut appearance in Parker Pyne Investigates before that. Mrs. Oliver also appared in a later novel named The Pale Horse, where Poirot's investigation in Cards on the Table was directly referenced.
• While Poirot and Arthur Hastings are referenced as fictional characters in it, the Tommy and Tuppence series is still considered to be a part of Agatha Christie's mystery novel universe, with several supporting characters from Miss Marple's story made their appearance.
• The category also includes the supporting characters that were introduced in Sophie Hannah's Hercule Poirot continuation novels, including The Monogram Murders (2014), Closed Casket (2016) and The Mystery of Three Quarters (2018). Sophie Hannah's Poirot novels are officially licensed by the estate of Agatha Christie and thus become canoncial.

Regarding the Righteous Culprits[]

• The heroes obviously include supporting characters and some victims of their respective stories. However, in some (but not rare) cases, there are several culprits in Dame Christie's works who are revealed to be righteous. Some victims turned out to be the true criminal, while some are even more despicable than their murderers, to the point of even making the killers sympathetic.
  • Culprits that killed villainous victims, but either only for their personal gain, revenge, or kept causing troubles and threatening other innocent people do not count, no matter how sympathetic their motives or past could be. The righteous culprits will ONLY seek the true righteousness and truth through their act, defend and protect others from their "victims", deem true justice and honor itself beyond personal reasons (even with vengeful motives), and REFUSE to push unrelated or innocent people into the case. (e.g. All of the twelve (or thirteen) culprits in Murder on the Orient Express that participated in killing Lanfranco Cassetti)

Regarding Supporting Chracters[]

• Merely victims, bystanders, minor witnesses (e.g. Mrs. Goodbody from Hallowe'en Party, and  Mr. Ferguson from Death on the Nile) or testimony providers of the crime scenes, that are only serving as neutral characters or sometimes being obnoxious jerks (e.g. Inspector Crome from The ABC Murders) cannot count. They can only be included as supporting characters in this category if:
  • Their role became more supportive and sometimes even critical to the crime case's solution. (e.g. Julia Upjohn from Cat Among the Pigeons, and George the valet as Poirot's recurring ally)
  • They had provided final testimonies to correctly identify the killer(s) and had willingly took part in critical roles to solve the cases with the detectives. (e.g. Judith Butler & Miranda Butler from Hallowe'en Party, Tim Allerton from Death on the Nile, and Angus MacWhirter from Towards Zero)
  • They were revealed to be amongst the more sympathetic type of victims who are actually nice and likeable people (always through flashbacks or onscreen appearances), but were sadly killed or even framed by the culprit(s). (e.g. Audrey Strange from Towards Zero, and Alexander Bonaparte Cust from The ABC Murders)
  • They did heroics beyond testifying or providing witnesses accounts. (e.g. Lydia Lee in Hercule Poirot's Christmas, and Dr. Gérard & Sarah King from Appointment With Death).
  • Their role in the novel were insignificant and/or obnoxious, but in the adaptation(s) they took much more positive roles. (e.g. Olga Seminoff from Hallowe'en Party, and Monsieur Giraud from The Murder on the Links)
  • Otherwise, if those eye-witnesses were lying only for their own profits (like blackmail and extortion), or being revealed to be the culprit or their accomplices, they should be included in the Villains Wiki instead.
  • NOTE: Countess Vera Rosakoff is the ONLY character in this franchise that is on both the Heroes Wiki and the Villains Wiki at the same time. This is because of her special role as both a redeemed criminal (albeit without any murder history), and an more supportive anti-hero in her later appearances.

Regarding The Mousetrap[]

• Any amateur detective or other supporting characters from The Mousetrap, a mystery stage play by Dame Christie, will NOT have their pages on this wiki, in order to respect Dame Christie and her relative's official non-spoiler request of its surprise ending. This also applies to its short story version, Three Blind Mice, which was included in Three Blind Mice and Other Stories and was published outside the United Kingdom (though it does not apply to other stories in this collection).