* [[spoiler:Frandlin Ivo]] performs one in ''DragonAgeTheCrownOfThorns''. He moves on to [[spoiler:become a triple agent or quadruple agent, depending on how one looks at the GambitPileup in Orzammar.]]
* This is the very basis of ''Fanfic/HonorTrip'', where Cell gets hit on the head, gains a sense of humanity, and turns good.
* [[spoiler:Zonoya herself]] in ''TheLegendOfSpyro: [[http://shalonesk.deviantart.com/gallery/11400696#/d23ieon Zonoya's Revenge]]. [[spoiler:It takes [[FamilyUnfriendlyDeath Malefor's demise]] and Cynder willingly allowing her to read her mind to see what Malefor really was to convince her to change. While Cynder is willing to forgive and try to help Zonoya change, Spyro still hasn't accepting the change. Spyro's actions may have be leading her to [[HeelFaceRevolvingDoor turn evil again]] when he attacks her son (due to him being Malefor's child), [[MamaBear causing her to seek revenge for that.]] But in the end, she is stopped from going back across the line and ends up on fairly good terms with the heroes.]]
* [[spoiler:Miranda]] in the W.I.T.C.H. fanfic KievaLynn's Season Three, episodes five and six. While the cartoon didn't give her any backstory at all, this story fleshes her history out in a way that makes the experience that triggers it plausible.
* [[spoiler: The Hunter]] in ''Fanfic/WithStringsAttached''. Which pisses off the Great God Indle quite considerably....
* [[spoiler: Crow]] in FanFic/TheTaintedGrimoire.
* [[WesternAnimation/SpongebobSquarepants Plankton]] going through this trope and his journey of self-redemption are the main plot points of ''[[http://www.fanfiction.net/s/8063013/1/Planktons_Eye_View Plankton's]] [[FanFic/PlanktonsEyeView Eye View]].''
* In ''Fanfic/AceCombatTheEquestrianWar'', [[spoiler: Zeakros]], the commanding griffon officer does this in chapter 19.
* [[spoiler: [[Manga/DeathNote Light]]]] in ''{{FanFic/Solitude}}'' [[BecauseYouWereNiceToMe Because]] [[spoiler: Ryuuzaki]] [[BecauseYouWereNiceToMe was nice to him.]]
* ''[[http://www.fanfiction.net/s/6173090/17/Lightning-and-Thunder Lightning and Thunder]]'' both lampshaded and mocked the trope during the Harry/Quirrell first year confrontation, stating that "this wasn't some TV show where he could turn the bad guy good with an excellent well placed speech."
* In ''Film/JamesBond'' fan film ''WebVideo/DiamondsCut'', it's [[spoiler: Lara Brooks. As an employee of traitorous MI6 agent, she was originally going along with his plan, but eventually rescued Bond from allegedly certain death.]]
* ''Anime/SailorMoon'' fan fiction ''FanFic/ANewOrder'' has one of the most powerful [[MonsterOfTheWeek youma]] defect after [[BadBoss Zoicite]] uses it as a meat shield.
* In HungerGames fanfic ''Fanfic/SomeSemblanceOfMeaning'': [[spoiler: Obsidian]] has one after [[spoiler: he realizes how ruthless and depraved his fellow Careers are, and he leaves the pack]].
* [[spoiler: Damballa]] in the ''FanFic/{{Horseshoes and Hand Grenades}}'' story, ''A Month of Sundays'' after [[spoiler: Jun reunites him with his grandson and talks him down on how he and most of humanity were NotSoDifferent.]]
* ''[[http://www.fanfiction.net/s/5695115/1/MMZX3-Mega-Man-ZX-Enforcers Mega Man ZX Enforcers]]'' has so far had ''six'' of these: [[spoiler:Atlas, Thetis, Aeolus, Siarnaq, Prometheus, and Pandora.]] The former four have theirs in circumstances that cause them conflict: [[spoiler:Atlas breaks down crying when her childhood friend tells him to shoot her, but [[LoveRedeems he comforts her and forgives her for her past]] (cementing a RelationshipUpgrade in the process), Thetis finds out that [[HeelRealization the humans he thought were destroying the planet actually cared about it]] by undoing damage done by one of the Pseudoroids commanded by his "boss", Aeolus finds out that [[MistreatmentInducedBetrayal Model D completely duped him into helping it and sent its own soldiers after him]], making him the one thing he hates (a fool), and Siarnaq aids Grey when he attacks Forrest and Shade (the same people who left Siarnaq for dead in the past) for using him, realizing that his stoicism was a mask for his fear. Prometheus and Pandora had theirs off-screen, choosing to aid the good guys (sort of; they've only helped them once so far) to avoid being recruited by Model D.]] Model O being used by Taylor might count too, since it's based on [[spoiler:Omega, the Devil Reploid who was a major driver of the Elf Wars in the ''Zero'' series. And the HFT count is now up to seven, with it being revealed that Taylor himself was the one who ''created the Model S Biometals'', but defected after being freed from Model D's influence and is now working on a secret weapon to destroy all the artificial Biometals he created.]]
* The ''WesternAnimation/MonstersInc'' fanfiction ''Fanfic/AngelasPetMonster'' has Randall getting adopted by a human girl named Angela. He grows to like her, and eventually turns against Waternoose and becomes allied with Mike and Sulley.
** He gets another one in the Simpsons crossover fic, due to [[MoralityPet Lisa]]'s influence.
* In the ''WesternAnimation/RiseOfTheGuardians'' fic ''[[https://www.fanfiction.net/s/8751000/1/Guardian-of-Light Guardian of Light]]'', [[spoiler: Pitch pulls one thanks to his daughter's influence]].
* The ''Film/StarTrek'' fic ''[[https://www.fanfiction.net/s/9694363/1/Safe-and-Sound Safe and Sound]]'' has [[spoiler: ''Khan'', of all people, pull one when he realizes it would help his family and allow him to be with his new surrogate daughter, Lucille]].
* In ''[[https://www.fanfiction.net/s/9827540/1/Wanted Wanted]]'', a ''Film/{{Thor}}'' fanfic set during [[ThorTheDarkWorld the second film]], Loki [[spoiler: doesn't fake his death and ends up helping Thor and the others defeat Malekith in London. He decides to stay on Earth with Thor after Darcy befriends him]].
* [[spoiler:Desiree]] has one in the ''WesternAnimation/DannyPhantom'' fanfic series ''FanFic/FacingTheFutureSeries'', thanks to, of all ghosts [[spoiler:Sidney Poindexter]].
* In the Naruto/TMNT crossover fic, ''Fanfic/TeenageJinchurikiShinobi'', Kin shifts over to Konoha after realizing that Orochimaru would not be coming back for her, as she was simply a tool to him. Also, [[spoiler: Karai originally planned an EnemyMine instead, but follows the trope straight when the Shredder is defeated for good, knowing he'll never come back. Kabuto falls under a HeelFaceBrainwashing]]
* Bob, a minor villain in Fanfic/{{the Calvinverse}}, ends up turning to Calvin's side in ''Fanfic/RetroChill'' after being [[TheChewToy abused]] by the villains for a decent amount of the story.
* In ''FanFic/FeverDreams'' Light [[HeelRealization comes to realize that the Kira plan isn't working]] and he really doesn't want to [[spoiler: kill L]] and the rest of the story is devoted to [[ThePlan his new plan]] to get out of the whole killing business without incriminating himself or [[BumblingSidekick Misa]] or [[TheAtoner causing any more deaths]].
* Silver Spoon in ''FanFic/AHairierProblemRiseOfTheFurball'' begins questioning if she should stay with [[RichBitch Diamond Tiara]] and Fair Vista when the latter shows herself to them both for the first time. She comes to realize that it isn't worth it when Apple Bloom risks her secret and her life to save Spoon from a sudden flood in Ponyville, and she fully turns away from the pair once she realizes the full extent of their most recent plan to "expose" Apple Bloom [[spoiler: when in reality Fair Vista wants to possess Apple Bloom and get revenge on Applejack and company for killing sable Loam]].
* In ''FanFic/MegaManDefenderOfTheHumanRace'', [[spoiler:Drill Man]] in episode 8.
** [[spoiler:[=ProtoMan=]]] in episode 11, chapter 11.
** Episode 12, chapter 2 has [[spoiler:Mr. Black]].
* In ''FanFic/CrownsOfTheKingdom'', thanks to Hypatia, [[spoiler:the Dispirations become Inspirations]].m Roc
* ''Fanfic/ANewChanceSeries'': [[spoiler: Jessie, James, and Meowth leave Team Rocket after Ash rescues their Pokemon from Rico, and Brock lectures them about the nature of their jobs, their total failures, and tells them they are perfectly capable of being decent people, but are hopeless if they go back to stealing.]]
* ''Fanfic/TheLionKingAdventures'': Recurring Series 4 villain The Interceptor has one of these gradually in Series 5. After [[EnemyMine fighting alongside the heroes]] first to defeat his former ally [[WhoWantsToLiveForever Shocker]] and then to save the world from [[TheDragon Virusi]] and his master [[spoiler: [[UltimateEvil the Writer]]]], he comes to bond with them, ultimately being considered a friend by Simba [[spoiler: who lets him stay and live in the restored Pride Lands]].
* ''FanFic/MyLittleUnicorn'':
** [[spoiler: Queen Chrysalis]] in ''My Brave Pony: Star Fleet Magic II''.
** [[spoiler: Distraught]] in ''My Brave Pony: The Movie''.
** [[spoiler: Phaedra]] in ''My Brave Pony: Star Fleet Magic III''.
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