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[[foldercontrol]]

[[folder: ''Visual Novel/Ace Attorney'' ]]

* In ''Fanfic/SomebodyThatIUsedToKnow'', [[spoiler: Matt Engarde becomes this for Juan Corrida, towards whom he becomes increasingly obsessed with and possessive towards (in a very abusive way); it is heavily implied that he is responsible for Celeste Inpax's apparent suicide, after he fails to scare Juan into breaking up with her; the fact that her death happened not long after she and Juan had announced their engagement, and all of Matt's attempts to get Juan to call it off had failed, is rather telling.]]
* In ''VideoGame/TurnaboutOfCourage'', it is revealed that the BigBad was in love with Mia Fey, and had poisoned Godot so he could have her for himself. The other murders in the case were committed to cover up his original crime.

%%[[/folder]]

[[folder: ''Western Animation/Adventure Time'' ]]

%%* ''Fanfic/AlexMovieVillain'': The titular character to Princess Bubblegum.

[[/folder]]

[[folder: ''Franchise/Arrowverse'' ]]

* In the PeggySue fic ''FanFic/ArrowRebirth'', Oliver Queen and Felicity Smoak are both sent back in time. When Felicity learns that Oliver won't restart their relationship as he's still in love with Laurel (who is now alive again), she ''snaps'' and decides to [[MurderTheHypotenuse murder Laurel so that she and Oliver can be together again]], only to be [[spoiler:murdered herself by a third party]]. Sara later refers to her as "some obsessed fangirl who fell for Ollie hard"; and Laurel dubs her a "delusional psychopath".
* ''Fanfic/TheHurricane'': Slade, for Laurel, after he's injected with the Mirakuru. He goes from being respectful to obsessive, violently attacking anyone he perceives as a threat to her or to their 'relationship'. After he finally confesses to Laurel, he constantly tries to force her to accept his feelings and enter a relationship with him, [[spoiler:even threatening Shado at one point to force her hand. When Laurel still refuses him, he then tries to kill Shado, feeling that if he can't have Laurel, then ''no one can'']].

[[/folder]]

[[folder: ''Franchise/Avatar The Last Airbender'' ]]

* ''WebVideo/AvatarTheAbridgedSeries'' makes one out of the one-off character Meng.

[[/folder]]

[[folder: ''Manga/Case Closed'' ]]

* In ''[[https://www.fanfiction.net/s/7181244/1/Heartache-s-Child Heartache's Child]]'', a woman kidnaps Conan and keeps him prisoner because she's under the delusional belief that he's her missing son (it's an IdenticalStranger situation), and Conan's attempts prove otherwise fall on deaf ears. [[spoiler:Eventually, it's revealed that the woman never had a son in the first place. She's a mental patient who believed her doctor and his son were her family, who she eventually killed when they tried to defend themselves against her]].

[[/folder]]

[[folder: ''Series/Chuck'' ]]

* Wepdiggy's ''Adorable Psycho'' series has Sarah using her insane assassin/spy skills to kill any women who would even look at Chuck. Regardless of if they're a threat or not. Eventually, she and Chuck (and Casey, much to his disgust, because he's cleaning up after all of her messy kills) establish a contract supposedly limiting her murderous tendencies. Doesn't stop her from trying to subvert it every chance she gets, though.

[[/folder]]

[[folder: ''Anime/Code Geass'' ]]

* Suzaku [[DefiedTrope isn't one]] in ''FanFic/MyMirrorSwordAndShield''. [[WrittenByTheWinners But history]] [[ZigzaggedTrope believes him to be one]] [[note]]since they don't know that Suzaku was a time traveler insuring a peaceful future[[/note]]. [[EntertaininglyWrong What the historians]] know that he [[SleepingWithTheBoss had a relationship]] with Emperor Lelouch [[SleepingTheirWayToTheTop who awarded him with the highest knighthoods]] and that Suzaku was [[UndyingLoyalty so loyal]] that [[TheQuisling he betrayed his people]], [[MurderTheHypotenuse killed the innocent Princess Euphemia when she gets in Lelouch's way]][[note]]she was actually murdered by her lover[[/note]] and won Lelouch the War of Ascension [[PsychoSupporter by killing everyone in his way]].
* Several of Lelouch's lovers in ''[[https://www.fanfiction.net/s/12201158/1/ Darwin]]'' qualify. Kallen has sworn her loyalty to Lelouch as his "attack dog" and spends the entirety of her first battle killing Britannian soldiers with her Knightmare frame's bare hands (which, due to a neural implant, feels like her hands to Kallen). Sayoko is Lelouch's devoted bodyguard/assassin but has to be "reminded of her place" whenever Lelouch takes a new lover. Worst of all is Mao the Refrain, who from her first interaction with Lelouch, hated Nunnally for stealing his love and attention from her. Mao apparently hates every one of Lelouch's other lovers, viewing them as thieves unworthy of his affection, though her opinion of Kallen is the worst due to Kallen asking Lelouch to never lie to her (something Mao sees as ungrateful and greedy).
* A downplayed example in ''[[https://www.fanfiction.net/s/12301866/2/The-Black-Princess-and-the-White-Knight The Black Princess and the White Knight]]'' with Euphemia. After learning about a ball in Ashford Academy, she asks Suzaku to go to the dance with her, only for him to decline because he already asked his secret childhood friend [[GenderFlip Leloucia]]. Euphie then demands to know the girl's name so she can have her cast in iron and tossed in a dungeon (despite the fact that Area 11 doesn't have dungeons). Needless to say, Suzaku [[ScrewThisImOuttaHere spin-kicked off three walls onto a Dairy Queen and ran off]].
* [[PsychoLesbian Nina Einstein]] in ''[[https://www.fanfiction.net/s/13057750/1/Between-Love-and-Obsession Between Love and Obsession]]'' is one like in canon, though her affection is to [[GenderFlip Leloucia]] after they run into each other in the hallway. When she finds out that Leloucia is secretly dating their Japanese classmate Suzaku. She thinks that Leloucia is being "tainted" by Suzaku, and tries to shoot him if not for Arthur's interference. When Leloucia hears Nina's reasoning, she deals with her by Geassing her into her slave.
* ''[[https://www.fanfiction.net/s/13013248/1/Zero-of-The-Black-Crusade Zero of the Black Crusade]]'' has Julius vi Britannia, the estranged twin of Lelouch that was taken by V.V.. In an interesting twist, his obsession is one towards Marianne, wanting to have her for herself after being separated from her by V.V. and keeping her nearby by putting her in a coma.
* In chapter 28 and 30 of ''[[https://www.fanfiction.net/s/5401449/28/Lelouch-of-the-Oneshots Lelouch of the Oneshots]]'', [[CordonBleughChef Cecile]] ends up developing feelings for Schneizel after taking cooking lessons from him. However, she then finds out that a woman has been visiting his home, causing Cecile to plot the other woman's assassination. She also decides to rope Suzaku, Lloyd, Ohgi, and Gino in her plan by poisoning them with a potion only she has an antidote for in order to get them to do the dirty work[[note]]The poison turns out to be sleeping powder in the end[[/note]]. However, they eventually find out that the "woman" was actually Schneizel's [[DudeLooksLikeALady male lover Kanon]]. After the series of events where the blackmailed crew barely makes it out, Cecile decides that [[SubvertedTrope she can accept Schneizel and Kanon being together]]... [[YaoiFangirl because she realizes how enticing the two of them together are]].

[[/folder]]

[[folder: Cross Over ]]

* After [[WesternAnimation/JackieChanAdventures Jade Chan]] becomes the Queen of the Shadowkhan in ''[[https://archiveofourown.org/works/24948751/chapters/63002692 Chan in Bellwood]]'', her feelings for [[Franchise/Ben10 Ben Tennyson]] become amplified and corrupted, to the point of kidnapping him with the intent of making him her "King".
* The ''Franchise/HarryPotter'' and ''Manga/BlackButler'' crossover ''[[http://www.fanfiction.net/s/9227189/1/Harry-to-Akuma Harry To Akuma]]'' interprets Dudley Dursley as one. [[FoeRomanticSubtext Dudders really likes]] [[IncestSubtext his cousin]] Harry but since his parents have forbidden him from being friends with "the Freak" (and encourage him to beat him) [[IfICantHaveYou he decides that if he's not allowed to be Harry's friend than no one else should either]] and it's out of jealousy that he runs off the many people who want to be Harry's friends.
* The MagicalGirl [[MassiveMultiplayerCrossover mega-]]CrossOver ''FanFic/ShatteredSkiesTheMorningLights'' has [[spoiler:''[[Manga/CardcaptorSakura Tomoyo]]'', of all people, go yandere for "her" Sakura-chan...]]
* Ottabio from ''[[https://www.fanfiction.net/s/12018948/5/Sky-Rose Sky Rose]]'' hated so much to see Rosabella ''corrupted'' by Xanxus he betrayed his own Boss to the Vongola. Then he tries to force a Guardian bond on Rosa, because she belongs to him and it's for her own good. For extra creepiness, Rosa is a ten years old girl.
* ''Fanfic/TheManyDatesOfDannyFenton'': A non-violent example is Meg Griffin towards whomever she dates, which includes Tucker. She stoops to stalking him and hacking into the dating website so he can't reject her.
** Another example is [[WesternAnimation/{{Animaniacs}} Katie Kaboom]] towards Danny, who worries that she is one of these.
* In the GenderFlip ''WesternAnimation/MiraculousLadybug''/''[[Franchise/TheDCU DC]]'' fic ''[[https://archiveofourown.org/works/26042395/chapters/63330202 Paris Monsieur in Gotham]]'', Adrianne begins to suffer from the side effects of the Cat Miraculous due to not being perfectly compatible, making her extremely territorial of Marcel. It gets to the point that Adrianne seriously considers using [[OneHitKill Cataclysm]] on Dahlia ''several times'' out of pure jealousy.
-->'' 'Just one touch.' She realized. 'Just a slight graze of your fingers and she'll be gone. She'll be gone and away from my Prince and he'll be mine. He'll be safe.' ''
* In ''[[https://archiveofourown.org/works/25745260 Sword to Ploughshares]]'', an [[VisualNovel/FateStayNight Artoria]] [[CompositeCharacter combined with]] [[Literature/MyNextLifeAsAVillainessAllRoutesLeadToDoom Catarina Claes's]] personality earns [[BrotherSisterIncest Morgan Ley Fay's affection]] thanks to being a CluelessChickMagnet. Morgan first tries to get Artoria for herself through [[TheBabyTrap making Mordred]], but when Artoria embraces Mordred as her child, Morgan decides to kill [[IfICantHaveYou Artoria and most of Camelot before losing her life]].
* ''FanFic/AClashOfNEETS'': [[Literature/ReZero Satella]] has become a Yandere ''Goddess'', but it's a [[DownPlayedTrope lot less terrifying]] than that sounds: as Goddess Of Death, Satella "The Jealous Lover" knows that ''all'' souls must inevitably enter her embrace, no matter what, so she's patient, and waits for them to come to her in their own time. Even when the time comes for those souls to reincarnate, she doesn't mind. After all, they'll be back. They ''have to'' come back...
* ''Fanfic/SchoolIdolDays'': Kotori and You are this trope to Honoka and Chika respectively.
** When Honoka turns down Kotori's confession, Kotori [[spoiler:[[IfICantHaveYou kills her in response]]]].
** Special mention of You, who after learning of Riko's confession to Chika, [[spoiler:intentionally kills herself knowing her death will break apart Aquors and cause Riko and Chika to fall apart]].

[[/folder]]

[[folder: ''Franchise/Danganronpa'' ]]

* ''Fanfic/DanganronpaParadiseLost'': Noriko Aino displays herself to be a StalkerWithACrush to Daisuke Hiyori, despite the latter not knowing she existed. [[spoiler:And she also displays the penchant for violence necessary to kill his father to get him out of the way, kill Kenji in hopes of using the ThreeWishes offered to make Daisuke entirely dependent on her, and when it fails, [[IfICantHaveYou attempt to kill him rather than see him with somebody else]]]].

[[/folder]]

[[folder: ''Franchise/The DCU'' ]]

* ''Fanfic/KaraOfRokyn'': Jara offers [[ComicBook/{{Supergirl}} Kara]] a choice: sleeping with her or getting beaten up. Kara turns her down and gets beaten for it.
-->"I'm offering you a choice. If you take me, I'll go easy on you in the ring. If you don't--" She gave Kara as venomous a look as she'd ever seen, and the heroine replayed all the cliches she'd heard about a woman scorned. "If you don't, I promise you twenty-- five minutes of sheer hell. And you know I can deliver. Now, what'll it be? Ecstasy-- or agony?"
* ''Fanfic/TheGoldenBoysLastTemptation'': Ted "Wildcat" Grant was stalked by a crazy fan who thought Ted would answer her love letters if she killed then-current President Prez. She turned out to be a rubbish shooter, though, and killed Prez's fiancée instead.
* A non-sexual example in the book ''Teen Titans: Witch-Hunt'' is Circe for her mother, Hecate. As a result of Hecate's HandsOffParenting methods, Circe has always been obsessed with having her mother's love all to herself. Enough to [[BreadEggsBreadedEggs curse, kill, or curse then kill]] hundreds of her half-brothers and sisters ''on a regular basis''. [[spoiler:When they reunite in the climax, and Hecate is completely nonchalant about not visiting her daughter in centuries, Circe snaps and steals her power, [[NotQuiteDead seemingly]] killing her mother.]]
* Owlman from ''[[https://www.fanfiction.net/s/10071646/1/Forever-Evil Forever Evil]]'' grew obsessed with young Richard Grayson, coming to see him as the brother he ought to be and killing everyone posing the slightest threat to their relationship. When the youth got killed, Owlman decided to recreate him by abducting his AlternateUniverse counterpart whom he brainwashed and drugged to be more like the original Talon.
* ''Fanfic/TheRedemptionOfHarleyQuinn'': Poison Ivy's psychotic love for plants is replaced with a psychotic love for Harley.
* ''Fanfic/WithThisRing'': After the Renegade gives Misa Amane the ability to [[{{Revenge}} avenge her parents' murder]], she becomes obsessively devoted to him, cheerfully slaughtering her way through his enemies with a war scythe. Their relationship remains platonic, because he considers her to be a) too young, and b) crazy, but she remains a valued servant and is happy in that role.
--> Miss Amane grins at me as I step through the boom tube, arms folded behind my back. "All clear, Master!"\\
"Yes…" I look around at the brutally deconstructed remains of the high caste Dominators who used to run this place. "So I see. Any remaining resistance?"\\
"Master." She shakes her head disappointedly. "I would not have said 'all clear' if there were any left alive."

[[/folder]]

[[folder: ''Manga/Death Note'' ]]

* In ''FanFic/ACureForLove'' [[FandomSpecificPlot Light begins a relationship with L]] during his [[spoiler: MemoryGambit but when Light becomes Kira again]] he becomes very possessive ''and'' obsessive of L. He begins making up excuses to himself why he isn't going to kill him now like "it's not a good time," or "I want to break him first" (suggesting he really does love him underneath the psychosis. [[HypocriticalHeartwarming Light becomes very angry and upset]] [[TheOnlyOneAllowedToDefeatYou when someone else tries to kill L]].) Light arranges things so that [[spoiler: Misa kills Watari, [[YouHaveOutlivedYourUsefulness and then he kills her]] because he felt threatened that Watari was going to make L break-up with him and that Misa, a Yandere herself, would try and kill L so that she and Light could be together.]] Light keeps L drugged up for weeks afterwards and spends so much time with him that his infatuation [[EveryoneCanSeeIt becomes rather obvious to everyone]] at which point Light even considers killing his own father because he's against their relationship. [[spoiler: Later when L in effect breaks up with him, Light goes completely off the MoralityChain. He uses the deaths of his father and a [[FallenHero former teammate]] to essentially [[TakeOverTheWorld takes over the world]] in an afternoon.]]
* In ''WebVideo/DeathNoteTheAbridgedSeriesKpts4tv'' Light towards L:
-->'''Light''' ([[RedEyesTakeWarning with red]], GlowingEyesOfDoom): I loved you L and you smashed my heart into a million pieces. [[UnrequitedLoveLastsForever I will never love again.]]\\
'''Ryuk:''' Light, uh... [[HorrifyingTheHorror you're scaring me.]]\\
'''Light:''' Oh Ryuk, I haven't even ''begun'' to scare you yet! ''(EvilLaugh)''
* In ''FanFic/LightAndDarkTheAdventuresOfDarkYagami'' there's the "girl from the bus", who kills Dark after she's left out of the group hug.
* In ''[[FanFic/MonsterADeathNoteAU Monster]]'' [[PsychoticLoveTriangle Light is this for L while Misa is this for Light:]]
-->'''Light''' (''coming at L with a knife'') L, I'm not losing you again.
* Light is portrayed as one ''again'' in this L/Light [[FanVid AMV]]: [[https://www.youtube.com/watch?v=dbakSb04auA "Never Wanted to Dance"]] (spoilers).
* {{Lampshaded}} in ''Fanfic/OfficePolitics'' which again has Raito towards L:
-->''Granted, Raito is a [[TheDreaded terrifying]], [[CrazyJealousGuy jealous]], [[AmbitionIsEvil power-hungry]], [[{{Pride}} arrogant]] [[TheSociopath sociopath]] [[SerialKiller serial killer]], but these are all things that L knew the first time [[NoodleIncident he and Raito played six hours of mind games that led to strip poker]] and [[SlashFic somehow anal sex.]] It was really rather unfair of him to simply abandon the game mid-session; it wasn't as if he wasn't allowed to change the rules. Perhaps, he'd been hasty.''
* In ''Fanfic/RagnarokSkeptikitten'' Takada towards Light. When Light began dating her in college they agreed it would be nothing serious since they both wanted to focus on their careers. But when Light broke up with her Takada did not take it well and has held a grudge for four years and seems to be out to ruin Light's career.
* In ''FanFic/{{Fade}}'', L has a history of being one:
** L, for Light. He became more infatuated and obsessed with Light ever since L [[TomesOfProphecyAndFate read their fates in the Death Note]]. He becomes very obsessive and possessive with Light, forcing Light to be with him at all times and getting angry and violent when Light thinks of leaving him of spending time with others. [[spoiler: L even has Light's family and friends killed so Light would be dependent only on him.]]
** Light isn't the first person to invoke these feelings within L. L acted similarly with A, which was a problem because A was sociable and kind. The only other person L could tolerate spending meaningful time with A besides himself was Beyond, and even that tolerance eventually ran out. His jealousy over A's many friendships eventually led to A's death and Beyond and L's estrangement.


[[/folder]]

[[folder: ''Franchise/Dragon Ball'' ]]

* ''WebVideo/DragonBallZAbridged'' depicts Chichi this way, though to be fair she was sort of like this in the actual series as well (though it was PlayedForLaughs there).

[[/folder]]

[[folder: ''Franchise/Final Fantasy'' ]]

* ''WebAnimation/FinalFantasyVIIMachinabridged'' depicts Aerith as being [[ClingyJealousGirl extremely passive-aggressive]] towards ''any'' female -- regardless of age, romantic interest, or species - who acknowledges Cloud's existence, or whom Cloud takes note of. This starts going into Yandere territory in episode 14, when she '[[BlatantLies accidentally]]' destroys the Shiva Materia[[note]]a magical artifact used to summon an ice goddess to fight for the user[[/note]], just because Cloud remarked on how beautiful the summoned goddess is.

[[/folder]]

[[folder: ''Franchise/Fire Emblem'' ]]

* ''Fanfic/YandereSumia'', [[ExactlyWhatItSaysOnTheTin unsurprisingly enough]], has [[VideoGame/FireEmblemAwakening Sumia]]. Enraged at being rejected by Chrom, she [[MurderTheHypotenuse kills everyone else he could end up with]]- Maribelle, Sully, Olivia, [[PlayerCharacter Female Avatar]] and the Maiden- then [[IfICantHaveYou kills him]] when he rejects her for being a "waifu killer."

[[/folder]]

[[folder: ''Franchise/Five Nights At Freddys'' ]]

* Mizuki Aoyami from [[https://www.deviantart.com/xentrick-the-creeper/art/A-FNAF-Ish-Thingy-927939986 Five Nights At Freddy's: Lack Of Comprehension]] (WARNING: NotSafeForWork) is pretty much a {{Yandere}} on you. By making you hallucinate being raped by her to distract you from facing ''many'', but familiar and same murderous and heartless animatronics (Including William Afton himself, yes, '''THAT''' William Afton). Near the end, Mizuki escaped her virtual world, warped time and space, set an arson in your house, summoned burnt-down Corrupted Animatronics and a portal to Hell, as well as murdering your wife and dog and multilating their corpses. She even has absolutely no qualms [[WouldHurtAChild doing the same to your 7-year old son]]. At the very end, she ''raped you and forced you to impregnate her''.
* In Fanfic/FiveFunnyNightsAtFreddys, Endo 02's bio flat-out describes him as a yandere who is lovesick and viciously obsessive over The Marionette to the point of not even having a real personality, instead putting on a facade to cover up his lovesick obsession. True to his description, he lives up to it with an obsessive interest in being around Marionette, including putting his and her initials on his shirt with a heart and going on a mad bender in his diary. He's also willingly threatened harm against people who make potential moves such as threatening to bite Jeremy Fitzgerald's brain out during a rap battle.
* ''Webcomic/SpringtrapAndDeliah'': A platonic example with Deliah, who Springtrap wants under his watch at all times, keeping everyone else away, including her own father. [[spoiler:This plays into his motivation for the child murders too, wanting them to be with him forever by fusing their souls with his own.]]

[[/folder]]

[[folder: ''Series/Glee'' ]]

* [[spoiler:Adam]] of ''Fanfic/{{Dalton}}''.
* Savannah Carlyle from ''If You Only Knew''. She begins a relationship with Puck and starts to show symptoms not long after her introduction but it is all culminates with her killing [[spoiler: Shelby]], Puck's ex. She even sings the Yandere song "This Little Girl" by Cady Groves as her confession.
* [[spoiler: Dani]] in ''Changing Directions'' is obsessed with Faith and threatens to rape her, but in this case, her obsession is treated as a disease and she is PutOnABus to deal with it.

[[/folder]]

[[folder: ''Literature/Good Omens'' ]]

* In the DarkFic ''Fanfic/TheSacredAndTheProfane'' when Caphriel confronts Zirah about a certain killing spree, his response is along the lines of: ''What, it was your idea! [[LoveMakesYouCrazy Don't you understand, I did it for you!]] [[PsychoSupporter Isn't this was what you wanted?]]''
[[/folder]]

[[folder: ''Web Animation/Happy Tree Friends'' ]]

* One of the most common portrayals in the ''WebAnimation/HappyTreeFriends''' [[JustForFun/HappyTreeFriendsTheAnime fanon anime version]] depicts Flippy - who is an AxCrazy, psychotic murderer in {{Canon}}- as an {{Yandere}} for [[FanPreferredCouple Flaky]]. The canon episode ''Without A Hitch'' plays with it a bit, because Flippy constantly follows Flaky around, trying to be nice to her, while she is so terrified of him, that she tries to get rid of him at all costs.

[[/folder]]

[[folder: ''Franchise/Harry Potter'' ]]

* In ''[[https://www.fanfiction.net/s/11388837/1/Adorable-Violence Adorable Violence]]'', Hermione deals violently with anyone who gets between her and "her Harry" or her books. The two of them have a contract in place to set limits on her violent tendencies.
* In ''[[http://www.fanfiction.net/s/4816968/1/Do-Not-Meddle-In-The-Affairs-Of-Wizards Do Not Meddle In The Affairs Of Wizards]]'', Ginny is a Yandere who stalks Harry to the point where even Yuno Gasai would have been going "... a bit much, surely?", deliberately impregnates herself with stolen sperm and then tries to use the test-tube child to trap Harry into marriage, and nearly kills Luna for the high crime of ''talking to Harry'' (although, in fairness, the part where Luna almost died was an accident -- Ginny didn't know that Luna was seriously allergic to bee stings).
* In ''FanFic/DumbledoresArmyAndTheYearOfDarkness'', Hannah Abbot (Neville's future wife) tries to ''set him on fire'', and then throws several potted plants at him (one of which suffocates him to unconsciousness, while she does nothing to stop it). All this because of a bad case of PoorCommunicationKills leading her to believe he was making out with Ginny--even though Hannah and Neville aren't even ''dating''.
* ''[[https://archiveofourown.org/series/901269 The Dark Trio]]'' gives us [[OriginalCharacter Sapphire]], a Muggle girl seven years older than Harry, whose family took him in when he was just a little kid living on his own. While at first, Harry was oblivious and was just happy to live in such a nice home, he slowly became aware of Sapphire's obsessive affection for him when she confined him to the house, began [[WhyDidYouMakeMeHitYou hurting him when she got angry]] (even branding him), and ultimately ''raped'' him (which averts DoubleStandardRapeFemaleOnMale). Even years after he left, she still sends out enforcers to bring him back.
* ''[[http://www.fanfiction.net/s/5725656/1/Fate-s-Favourite Fate's Favourite]]'' has a teenaged Tom Riddle [[TimeTravel from 1942]] becomes very possessive and obsessive of Harry. [[ForTheEvulz At first because Harry is interesting]] and later because he counts Harry as the [[OnlyFriend first real friend he's ever had]] (on account of Tom being [[TheSociopath a clinical sociopath]] who generally just uses people and doesn't feel anything for anyone but himself but he feels something for Harry.) This is {{Lampshaded}} by other characters who take to referring to Tom as Harry's [[GayBravado "jealous boyfriend."]] Tom mentions in passing that he's more than willing to watch the whole world burn if it means he can spend more time with Harry and [[MurderTheHypotenuse he will eliminate]] any perceived threats that may come between them.
* In ''{{FanFic/Heir}}'', Ginny is Harry's creepy, pathetic, and budding Yandere stalker, who keeps throwing herself at him when it's clear he's not interested.
* In ''FanFic/IfThemsTheRules'', another TimeTravel ''Harry Potter'' fic, there's Arcturus Black, who is totally obsessed with Harry to the point that [[spoiler: he regularly uses polyjuice on a prostitute to make him look like Harry and he [[MurderTheHypotenuse murdered his own wife because she was "getting in the way."]]]] But Arcturus isn't alone in disturbing behavior--apparently it's called the "Black Family Madness" because the entire family tends to get unhealthy, destructive obsessions. Also the young Tom Riddle is already quite overly-attached to Harry--he absolutely forbids Harry from getting married [[JerkassHasAPoint or spending any time with that creep Black]].
* ''[[http://www.fanfiction.net/s/8988616/1/In-Somno-Veritas In Somno Veritas]]'', Harry finds that the only thing more frightening than Voldemort trying to kill him is Voldemort's infatuation and getting crazy- possessive over him, especially since Voldemort never learned to handle emotions ''before'' he hacked up his soul, so he's very [[MoodSwinger volatile]], going from [[AffablyEvil displays of kindness]] to violently psychotic at a drop of a hat.
* In ''FanFic/TheJadedEyesSeries'', [[UnholyMatrimony Harry/Tristan and Tom/Voldemort for each other.]] Also Harry's little brother [[OriginalCharacter Clark]] towards both Harry and Harry's [[MoralityPet adopted sister Suzie]], because 1) Suzie rejected Clark and 2) Suzie had Harry/Tristan as her big brother growing up and Harry Potter should've been ''his'' brother. So Clark decides Suzie must be a wicked girl that's corrupting Harry and once he kills her [[SarcasmMode surely this "Tristan" will somehow magically revert into the brother Clark always imagined him to be.]]
* In ''[[http://www.fanfiction.net/s/4662071/1/Marble-Serpent Marble Serpent]]'', Ginny is obsessed with the idea of the Boy Who Lived and intends to make Harry her's, regardless of Harry's desires.
* PlayedForLaughs in ''[[https://www.fanfiction.net/s/2565609/54/Odd-Ideas Summer With Tonky]]'', with Nymphadora Tonks shamelessly manipulating Harry into becoming her willing prisoner because... he's a SupremeChef and NeatFreak who helps around the apartment, and Tonks refuses to give him up and go back to her former TrashOfTheTitans lifestyle.
* In ''[[http://www.fanfiction.net/s/3567648/1/Un-Coeur-Gris Un Coeur Gris]]'', Ginny is ''again'' portrayed as Harry's Yandere StalkerWithACrush.

[[/folder]]

[[folder: ''Video Game/Harvest Moon'' ]]

* The ''WebVideo/GrittyReboots'' version of ''Harvest Moon: Back to Nature'' depicts, of all characters, the ShrinkingViolet Mary as a creepy StalkerWithACrush.

[[/folder]]

[[folder: ''Webcomic/Hetalia Axis Powers'' ]]

* Many countries that are seen to be more... [[JerkAss jerky]] in RealLife and historically are often characterised this way. It's even led to many different [[AlternativeCharacterInterpretation Alternative Character Interpretations]], to the point where Hetalia has a page of its own there.
** You literally just have to search 'yandere' on Platform/FanFictionDotNet to get around 100 results for Hetalia that have the word ''just in their title or summary.'' Sure, they aren't really of the best quality, but it's telling of how many people write such things.

[[/folder]]

[[folder: ''Web Comic/Homestuck'' ]]

* The Condesce is often portrayed as having romantic feelings for the Psiioniic. In canon, she wired him permanently into her spaceship's engine so his psychic abilities could be used as a power source; as the fanworks would have it, it was also so he can't leave her. Referenced in ''FanFic/{{Hivefled}}'', in which the Grand Highblood is also distinctly yandereish towards the Handmaid; he [[IfICantHaveYou killed her]], [[MummiesAtTheDinnerTable kept her skull, and painted a portrait of her in her blood]].

[[/folder]]

[[folder: ''Manga/Jo Jos Bizarre Adventure'' ]]

* ''Fanfic/IAintADollThisAintADollhouse'': Every iteration of Dio is obsessed with making [[GenderFlip Johanna Joestar]] his dutiful wife. ''[[Manga/JoJosBizarreAdventurePhantomBlood Phantom Blood]]'' [[EntitledToHaveYou sees Johanna as his ultimate prize]] and seeks to make her his bride even after becoming a vampire. ''[[Manga/JoJosBizarreAdventureStardustCrusaders Stardust Crusaders]]'' Dio plotted to use the [[Manga/JoJosBizarreAdventureStoneOcean Heaven Plan]] to [[MakeWrongWhatOnceWentRight make Johanna marry him in the past]], and [[VideoGame/JoJosBizarreAdventureEyesOfHeaven Over Heaven Dio]] is willing to manipulate all of time and space to get his hand on her.

[[/folder]]

[[folder: ''Anime/Kill La Kill'' ]]

* Evelyn Adams-Nickelsen from Fanfic/MaimDeMaim is a maternal variant, as one of the reasons she killed her husband was to keep him from getting custody of her son (the other reason because she felt like it, apparently)

[[/folder]]

[[folder: ''Franchise/Love Live'' ]]

* ''[[https://archiveofourown.org/works/47987521/chapters/120993817 Nico Nico Super Idol Show]]'': Ayuma Uhara to her {{Childhood Friend|s}} and girlfriend Yu Takasaki, always entering a TranquilFury if someone even suggests another girl being with Yu, and unleashing a murderous aura when recalling a magazine saying that Yu had the other idols as a harem, which terrifies her friends. Though like much of the fic, this gets PlayedForLaughs, as the rest of the Nijiasaki Club [[ShipperOnDeck happily supports the couple and even helped them get together]], and they see Ayuma's intense love as their gay champion in Nico Yazawa's most gay idol competition.

[[/folder]]

[[folder: ''Franchise/Marvel Universe'' ]]

* ''[[https://archiveofourown.org/series/1193564 Don't touch [=MJ's=] stuff]]'': All of the girls [[EvenTheGuysWantHim (and some guys)]] at Midtown do their best to avoid Peter Parker like the plague. This is not because he's unattractive or unpleasant by any means (on the contrary, he's noted as prime boyfriend material); it's because '''everyone''' is afraid of what [[TheDreaded Michelle Jones]] will do to them if they try to make a move on the boy she considers "her property". The only person who isn't afraid of her is Peter himself, and that's only because [=MJ=] will do whatever it takes to ensure her crush (and later boyfriend) remains blissfully ignorant of her darker qualities
* ''FanFic/UltimateReImaginings'' gives us [[spoiler: Natasha Romanov]]. She tried to [[spoiler: kill Joey and blatantly implied she's the one who got Clint's family murdered. And when her attempt to kill Joey backfired the first time she ''framed'' Clint before ultimately trying to kill him too because he was spending too much time with Joey]].
** And this is to say nothing of how [[spoiler: Andrea Rourke]] is turning out from her previously innocent portrayal as Joey's ShrinkingViolet {{Tsundere}} Type B friend. [[spoiler: And as of 'Over The Edge,' she's ''officially'' proven just how fatal her love is]]. Even more disturbing is that when Joey returns from being kidnapped ''again'' he's going to be in for a nasty surprise.
* ''Fanfic/UltimateSpiderWoman'': At first, Ronald Hilliard turned himself into an [[PsychoElectro electricity-spitting monstrosity]] and began murdering Spider-Woman's critics as a way of displaying his affection for her. When, Ronald, now calling himself Supercharger, professes his "love" for Spider-Woman, she disgustedly points out that she can do without the "love" of a sick freak like him. The resulting FreakOut leaves Supercharger torn between his obsession with making Spider-Woman his girlfriend and his obsession with torturing and killing her for "rejecting" him.

[[/folder]]

[[folder: ''Franchise/Mass Effect'' ]]

* Miranda Lawson in ''[[https://www.fanfiction.net/s/10465330/1/Miranda-s-Obsession Miranda's Obsession]]'' began to obsessively study Commander Shepard's life during the two year time period when she was in charge of bringing him BackFromTheDead. Her obsession with him only grew when she met the man in person and [[SingleWomanSeeksGoodMan realized how much of a]] NiceGuy he was, to the point where she started to [[EntitledToHaveYou view him as her property]].
* Admiral Daro'Xen, the BigBad of ''Fanfic/ProjectGethinator'', is crazy in love (or is that lust?) for Commander Shepard. She's gone into quite in-depth study of Shepard's history and psychology and has determined that he is quite susceptible to the charms of female quarians, and nothing will dissuade her from the notion that she and Shepard were meant to be together. Everyone else working with her (particularly her [[TheDragon second-in-command]], Hvenna'Tor) considers this aspect of her to be utterly disgusting. It definitely doesn't help that she's written a collection of SelfInsert {{Real Person Fic}}s about herself and Shepard, with a reputation for depravity second only to that of [[NoodleIncident Fornax's Forbidden Issue]]. When she and Shepard finally face off in the final chapter, [[spoiler:when Shepard turns Xen down (because Xen is completely out of her mind and because Shepard is in love with Tali), Xen has an IfICantHaveYou VillainousBreakdown of star-system-shattering proportions -- she turns the same mineral scanner that Prazza used to [[StarKilling blow up a star]] from ''Fanfic/IngloriousBoshtets'' on Eta Carinae, causing it to go ''hyper''-nova in a furious bid to destroy Shepard, Tali and the entire Normandy crew]].

[[/folder]]

[[folder: ''Western Animation/Miraculous Ladybug'' ]]

* Adrien Agreste in ''Fanfic/LePapillonRising'' is a YoungConqueror VillainProtagonist who believe StalkingIsLove and has a very unhealthy relationship with Marinette Dupain-Cheng, the secret identity of the superheroine who is trying to fight off Le Papillon, Adrien's secret identity. In his attempts to keep Marinette as his girlfriend, he goes into ManipulativeBastard territory, creating akumas designed specifically to destroy any threats to their relationship. The Evillustrator becomes this as well, attempting to kill Papillon because Marinette thinks Papillon has pretty eyes and is [[spoiler: very physically attracted to him, although she knows him to be a villain]].
* In ''[[https://www.fanfiction.net/s/13106654/1/I-d-Kill-For-You-To-Love-Me-Too I'd Kill For You To Love Me, Too]]'', Adrien/Chat Noir is a powerful and dangerous serial killer who always left a calling card at the scene of his crimes, detailing his demands in exchange for stopping: legal ownership of Marinette. While the demands were ignored at first, Marinette would eventually [[HeroicSacrifice offer herself up]] to stop the killings.
* ''[[https://archiveofourown.org/series/1576453 Protective 'Friends']]'' has Luka and Adrien becoming akumatized, increasing their desire to protect Marinette to obsessive levels.
* Chloe calls Marc this in ''Fanfic/MarcBeingInAGangRights'' when he declares that if any rich heir wants his boyfriend, they have to go through him first.
* Played for laughs in ''[[https://www.fanfiction.net/s/13627591/1/Double-Dates Double Dates]]''. Kagami is so intent on getting Adrien and Marinette ([[LoveTriangle yes, both of them]]), that she threatens to call food safety on Andre's ice-cream cart just because he is hindering their date.
-->"Listen you," she said in a cool, detached rumble. "I just spent ten minutes ''frolicking'' in a ball pit with a supermodel and a goddess after which he serenaded us while drooling over the sight of her with her hair down. I am ''this'' close!"
* Lucien Rebois in ''[[https://archiveofourown.org/works/27236230 Heart Thief]]'' is Marc's [[PsychoExGirlfriend jealous ex-boyfriend]] who was overprotective and clingy when the two were together, up to and including isolating him from his friends and beating up anyone he believed had a crush on Marc. It got so bad that Marc had to switch schools just to get away from him, and even that solution was tempoary due to Lucien unknowingly transfering to the same school. Lucien's obsession with Marc eventually drives him into getting Akumatized.
* In ''Fanfic/CrimsonAndNoire'', it's heavily implied that [[spoiler:Lila]] is now this towards Marinette, maintaining [[BitchInSheepsClothing an act as an overly-friendly]] [[spoiler:transfer]] student while hiding her true ManipulativeBitch tendancies from her. She's shown to be [[ClingyJealousGirl jealous]] at how close Kagami gets to Marinette [[spoiler:and tries to frame Kagami for an earlier vandalizing of Marinette's desk when the fencer asks her out to the school dance]], and she intentionally drives a wedge between Marinette and Alya so the latter can't potentially warn Marinette about [[spoiler:Lila's]] true nature.
* ''Fanfic/TwoLetters'' shows Marinette to be this after the stress of being Ladybug for two years drives her mad. By the time the story takes place, she's become so focused on maintaining her 'perfect' relationship with Luka that she plans to use the Miraculouses to make a Wish (which would destroy the world and completely rewrite reality) if he ever breaks up with her.
* ''[[https://m.fanfiction.net/s/14224277/1/Murder-On-The-Dancefloor Murder on the Dancefloor]]'' has [[spoiler:Théo Barbot]] as this, becoming one towards Marinette ([[PaedoHunt who is 14 to his 26]]), seeing nothing wrong with covering up Lila's actions against Marinette (including nearly ''killing her'') if it means Lila can then set him up to nurse her back to health and expect the FlorenceNightingaleEffect to take place - and then becomes Akumatized when he suspects Lila won't hold her part of the deal.

[[/folder]]

[[folder: ''Western Animation/Monsters Inc'' ]]

* Randall's ex-girlfriend Sylvia Schneider from ''Fanfic/AngelasPetMonster'' is completely AxCrazy and will murder anyone who she sees Randall show any sort of affection to.

[[/folder]]

[[folder: ''Manga/My Hero Academia'' ]]

* ''FanFic/ForgivenessIsTheAttributeOfTheStrong'': [[BigBad All-For-One]] is a familial example. He is so possessive and obsessed with his brother Yoichi and his son Izuku that he [[spoiler:drugs them so they're too unhealthy to leave and keeps them in vaults like personal treasures, all while trying to force them to act like a loving happy family.]] Anyone who gets between him and them is put on a kill list, and he uses the lives of those on that list to ensure his family's compliance. He also can't stand sharing the objects of his obsession, as shown by his attempts to murder his younger self.
* ''[[https://archiveofourown.org/works/43534380 He's Mine]]'' has Uraraka trigger as a Yandere when she sees Hatsume all over Midoriya. She starts by terryfying Hatsume, continues by beating Bakugo so hard he's left in a TroubledFetalPosition and scares Toga into begging to be arrested. When the students learn that the League of Villains is after Midoriya, they cheer because they know Uraraka will quickly end them - which she proves immediately after. By the time they become Pro Heroes, Uraraka becomes known as the Symbol of Fear because all would-be criminals are scared out of their wits of what she might do to them for disturbing Midoriya.

[[/folder]]

[[folder: ''Western Animation/My Little Pony Friendship Is Magic'' ]]

* Poor [[WesternAnimation/MyLittlePonyFriendshipIsMagic Fluttershy]] tends to get this treatment in fan works because of her infamous "[[SanitySlippage YOU'RE]] [[MadnessMakeover GOING]] [[BewareTheQuietOnes TO]] [[DeathGlare LOVE]] [[PunctuatedForEmphasis ME!!!]]" flip-out in the original series. Some of it's enough to make you feel ''really'' bad for [[FanPreferredCouple Big Macintosh]], or [[SlashFic Rainbow Dash]], or whoever else she's going Yandere on at the time. The rest is flat out NightmareFuel.
** A famous example is this [[https://www.youtube.com/watch?v=gteCpHs2SYg audio drama]]. Fluttershy chases the viewer into his house after he apparently saw her murder one of her friends.
** Pinkie Pie gets this a lot too due to her actions in [[Recap /My Little Pony:FriendshipIsMagicS1E25 "Party of One"]]. Such as in Fanfic/PartyOfNone,
* Played for laughs in the rather bizarre story, [[http://www.fimfiction.net/story/206382/1/stealing-the-deed/better-property-management-through-breaking-and-entering ''Stealing the Deed'']] when it seems that Trixie has become a very strange and [[{{Tsundere}} desperately in-denial]] version of this. Just about everything she says in this story is either filled with unadulterated InsaneTrollLogic, or both confirming and attempting to deny her yandere-ness.
-->'''Trixie''': [[NoIndoorVoice TRIXIE HATES YOU SO, SO MUCH! SO MUCH SO THAT SOMETIMES TRIXIE LIES AWAKE AT NIGHT AND SNIFFS THE LOCK OF YOUR MANE SHE TOOK FROM YOU WHILE YOU WERE SLEEPING AND DREAMS ABOUT HOW NICE IT WOULD BE TO BURY HER MUZZLE IN YOUR MANE AND FALL ASLEEP LIKE THAT!]]\\
'''Twilight Sparkle''': Wow... uh... I had no idea you erm... hated me so much? I mean... I guess I'm flattered that ({{Beat}}) Wait! You came into the library while I was sleeping and stole some of my hair?!\\
'''Trixie''': Uh... Trixie has a very good explanation for that!\\
'''Twilight Sparkle''': I'm listening.\\
'''Trixie''': Trixie, in fact, does not have a very good explanation for that...
* [[https://www.fimfiction.net/story/192170/the-benefits-of-friendship-come-with-consequences The Benefits Of Friendship Come With Consequences]] has Twilight slowly transform into a yandere. It's played completely straight, to the point where Rainbow Dash (her love interest) flat out states that she's close to losing her trust and the local goddess of love has to step in to rebalance Twilight's psyche.
* Played for laughs in ''FanFic/TheUnexpectedLoveLifeOfDuskShine''. While espousing her love for Dusk, Rarity gets distracted by jealousy:
-->''How dare that little worm steal your first kiss? I don’t care if she was Celestia’s long-lost sister, I don’t care if it was her party, and I don’t even care if she was alone on her precious moon for thousand years, NOPONY TOUCHES MY-''
* Twilight in ''WebVideo/FriendshipIsWitchcraft'' is this way towards her [[NotBloodRelated adopted brother]] Francis. Her first words to his fiancee Cadance are literally a song that goes "''Hi there! I will destroy you and steal your fiance!''". Everypony loves ParodySue Cadance except for Twilight, who is very much the VillainProtagonist of the series in other episodes and this is only most obvious in ''Foaly Matripony'''. She spends the episode hating Cadance and produces BlatantLies like her [[WouldHurtAChild kicking babies in the face]] and [[ObviouslyEvil having devil horns]]. The episode ends with Twilight chasing Cadance off during her own wedding and [[BrotherSisterIncest marrying Francis herself]]. [[spoiler:It's shown that Twilight possibly tortured Cadance before leaving her to die in a cave.]]
* Moondancer in ''Fanfic/SpectacularSeven'', believes that she is [[EntitledToHaveYou entitled]] to Twilight Sparkle, because she was the first person who was ever truly nice to her. She completely refuses to believe that Twilight loves Sunset Shimmer of her own free will, and thinks that she has her under a spell. No matter what Twilight tries, Moondancer just can’t seem to take the hint, which comes to a head when she finds out that Moondancer is intentionally working with Tempest Shadow, just to kill Sunset Shimmer for ‘getting in her way’.

[[/folder]]

[[folder: ''Anime/Naruto'' ]]

* In ''[[https://www.fanfiction.net/s/11893710/1/A-Dark-Obsession A Dark Obsession]]'', Mikoto Uchiha develops a maternal obsession for Naruto due to a combination of him awakening dormant emotions within her as well as being the son of her dead best friend. Eventually, her obsession with Naruto drives her to [[spoiler:kill off most of the Uchiha Clan when she feels that they were getting in the way of between them]].
* In ''[[https://www.fanfiction.net/s/13464355/1/Clementine Clementine]]'', Madara Uchiha fell in love with Sakura (who traveled back in time to prevent the deaths of her comrades in the future) and used his Sharingan to suppress her memories of the future, allowing her to live as his wife. He is dangerously protective, ranging from wanting to keep her safe in their home while she is pregnant with their third child to encouraging his sons to torture and kill a vendor that sold a box of clementines (which he intended as a gift to his wife) which secretly contained rotten fruits.
* ''Fanfic/SonOfTheSannin'': Like in the ''[[Anime/NarutoTheMovieRoadToNinja Road to Ninja]]'' movie, Alternate!Hinata is one, capable of [[MoodSwinger switching between affectionate and murderously angry in a heartbeat]]. Naruto actually uses it to his advantage; when she's reluctant attack to Dark!Naruto because he looks too much like the original, he tells her to imagine him as "an alternate version of [him] who cheated on [her] with Sakura". Cue murderous rampage.

[[/folder]]

[[folder: ''Franchise/Nasuverse'' ]]

* ''Fanfic/FateHaremAntics'': Irisviel tells Illya about her distant brother Shirou, then manipulates events so that every Master and Servant in the War besides Shirou is female. Unfortunately, she failed to mention two things: she's trying to get Shirou a harem ([[IWantGrandkids she really wants grandchildren]]) and Kiritsugu forgot to tell Shirou about Illya. When Illya meets Shirou for the second time, he's talking to five beautiful women, and Illya orders Berserker to "kill those skanks who are trying to steal my onii-chan!"
-->'''Iri:''' Oh dear. I think that Illya might be just a little yan yan for her brother...\\
'''Kiritsugu:''' ''[sighing]'' I swear, it's a family curse to never have it easy with women...
* ''Fanfic/FoolsParadise'' is a DarkFic where Shirou is killed and the Tohsaka sisters become obsessed with rescuing his AlternateSelf Archer from his torturous enslavement as a Counter Guardian...but only so they can keep him for themselves. When Archer opposes them in this [[note]]the only way to save him is for someone to take his place, and [[MoreHeroThanThou he doesn't want that]][[/note]], they turn him into a magically bound puppet who can't move or say anything they don't want him to.

[[/folder]]

[[folder: ''Anime/Neon Genesis Evangelion'' ]]

* Rei in ''Fanfic/AdviceAndTrust'' is an unusual case since she's yandere towards her {{Love Interest}}s ''and'' their relationship. She loves both Shinji and Asuka but she refuses to pursue them romantically since she won't risk disrupting their relationship. However, no one else is allowed to romance either of them... or she'll get angry. And she's scary when she gets angry.
-->Rei stared at her right hand. She never made her body move so fast before. There hadn’t been even a second of thought, just the sudden urge to slap him until he stopped saying such rage-inducing things. ‘Those are MY loves, you invader! MINE! AWAY! HISSSSSSSS~!’
* ''Fanfic/TheChildOfLove'': Subverted. Rei is pretty jealous of Asuka but she is not mad with her and does not want to hate her. On the other hand, Asuka is jealous of AND mad with Rei, thinking she wants to steal Shinji away. In the beginning, she treats Rei hostilely… until she calms down and realizes she is just being irrational.
* ''Manga/{{Evangelion 303}}'': [[OriginalCharacter Saburo]] broke up with Kaworu and regretted it later. However, Kaworu does not want him back so Saburo resorts to lash out against his perceived rival- Rei- and stalk Kaworu. He shows up in Kaworu’s house uninvited, he gets angry and jealous when Kaworu spends time with Rei… He knows that it is wrong and he should step out of the way, but he does not know how to.
* ''Fanfic/{{HERZ}}'': Kurumi is dangerously obsessed with Shinji. She took advantage of him when he got drunk, and when she met him seven years later she still chased after him obsessively even though he was a married man and a father (bonus points by stalking him in the men’s locker rooms and then chasing him down their workplace despite of being naked).
* Hilariously, Shinji for Kaworu in ''[[https://www.fanfiction.net/s/8281083/1/Playing-With-Fire Playing With Fire]]'', who tries to force Kaworu to complete Instrumentality so they would be together forever instead of killing Kaworu. Shinji admits that he would rather let the world die than separate from Kaworu, [[BecauseYouWereNiceToMe refusing to harm the one person]] [[TheFarmerAndTheViper unconditionally kind to him.]] Which causes Gendo [[LikeFatherLikeSon to realize that Shinji is truly is his son]] as Gendo's one to Yui.
* ''Fanfic/ScarTissue'' gives Asuka and Shinji a destructive love-hate relationship with each being yandere for each other. It's very much PlayedForDrama in that they know that they've become vicious and clingy since Instrumentality, and are terrified that they could lose each other for good even when they're trying to get better.
** Asuka regularly abuses Shinji mentally, physically, and sexually but still wants his attention and love more than anything else. She views every woman in his life, including their guardian Misato and his biological sister Rei, as a potential threat and is tempted to beat him for being happy at Rei's survival.
** For Shinji, Asuka is the only thing he has left, and he doesn't care what happens as long as she's around. This leads to him dreaming about killing her for getting with another guy and seriously considering killing her and having his way with her (in that order) after months of emotional neglect.
* ''Fanfic/ThousandShinji'': Deconstructed with, of all people, [[EmotionlessGirl Rei]]. After [[AntiHero Shinji]] [[BattleCouple and]] [[FieryRedhead Asuka]] [[RelationshipUpgrade got together]] she realized her feelings towards Shinji. In the beginning [[IWantMyBelovedToBeHappy she just tried to be happy for Shinji]], but she got increasingly obsessed with Shinji and she yearned for getting Asuka out of the way. It got so bad that she often dreamt of killing Asuka. Still, Rei restrained herself, thinking that if she killed Asuka, Shinji would hate her forever and kill her or, worse still, he would kill himself.
* Rei is not actually an example in ''Fanfic/DoingItRightThisTime'', but [[OriginalCharacter Chihiro Tanaka]] starts referring to her as "[=YandeRei=]" when she has a bit of a ClingyJealousGirl moment over Shinji.
* ''[[https://www.fanfiction.net/s/6742855/1/Love-is-Constructive Love Is Constructive]]'' plays this for laughs. Asuka's pathological love for Shinji leads her to murder nearly every named character, because she sees them (plausibly or otherwise) as a romantic rival or as a bad influence on him, or simply because they witnessed her handiwork. Even discovering in the end that Shinji is gay, and in love with Kaworu, doesn't stop Asuka. She simply kills Kaworu too, then assumes his identity, promising Shinji a "surprise" when they finally get some private time.

[[/folder]]

[[folder: ''Video Game/Nier Automata'' ]]

* ''Fanfic/NierAutomataREBirth''
** 13R is one for 9S. Her mindset on what love is involves killing anyone who gets in between you and your beloved. It's mentioned that every android of the 13 personality type are yanderes.
** [[spoiler:Purple Athena, the new machine network consciousness, is determined to make Alexander her new husband and rule the world together. Her war against the androids, humanity, and their allied machines isn't just a means of removing Alexander's family so she can have him for himself but rather a deranged means of getting his attention]].

[[/folder]]

[[folder: ''Series/Odd Squad'' ]]

* ''Fanfic/ShipsAhoy'':
** Olga was O'Donahue's first partner, a BitchInSheepsClothing who was a manipulative and abusive ControlFreak towards him to such an extent that she flew into an UnstoppableRage if she was not in control at any time. Over the course of their partnership, O'Donahue went along with Olga's behavior for numerous reasons -- he was a rookie agent when he was first partnered with her, she was a privileged child that came from famous lineage, Old Missie was a CluelessBoss who refused to listen to any criticism concerning her top agent, and he didn't have any other agents as friends he could talk to due to her ControlFreak tendencies and how she would prevent him from interacting with anyone other than her. Olga was also in love with O'Donahue, constantly demanding praise from him and telling him how he promised himself to her, but he never returned the feelings. Her behavior is why O'Donahue is submissive and shy, even around Oprah when she first joins Odd Squad, and once he vents to her about Olga, he goes through CharacterDevelopment and eventually enters a new relationship with her.
** Todd also eventually falls into being a Yandere over the course of Part Two. While Oscar is away solving cases and repairing gadgets in preparation for his Lab Director position, Todd decides to be Olive's unofficial partner, having developed feelings for her and wanting her to love him back. She notes that he flips between being genuinely nice to her and bullying her so frequently that she can't tell whether he's being nice or mean at times, and it's made abundantly clear that [[AllLoveIsUnrequited whatever love he has for her is one-sided.]] It doesn't help that he starts doing odd things that make her question him, but she never puts two and two together until he shows her a gadget he's made that can create any nose he desires, and she realizes that he likes him. In Chapter 21, she rejects him, and although [[MyGodWhatHaveIDone she realizes she's made things worse,]] it's still the last straw that makes him undergo a Face–Heel Turn and [[IfICantHaveYou become evil, harming Olive and her coworkers with a pienado just like in canon.]]

[[/folder]]

[[folder: ''Manga/One Piece'' ]]

* [[GenderFlip Pudding]] in ''Fanfic/CastleOnePiece'', in contrast with his female canon self, develops genuine feelings for Sanjina when they first meet, and wants to have her for himself. He goes along with the Big Mom Pirate's assassination plan in hopes of letting Sanjina live while the Vinsmoke Family perished. He even sabotage the Straw Hat pirates attempt to rescue her so they won't take her away from him.
** Another example from the same story is [[spoiler:[[BrotherSisterIncest Ichiji]]]] towards Sajina as well. [[spoiler:Ichiji spent their childhood trying to make Sajina completely dependent on him, and even reported her "un-royal" behavior to her father. He takes measures to make sure that he is the only one she can depend on, wanting to destroy the Baratie, the Strawhats, Pudding, Judge and Reiji, all to make sure she is his and his alone]].

[[/folder]]

[[folder: ''Video Game/Persona5'' ]]

* [[GenderFlip Goro Akechi]] is this towards Akira in ''[[https://www.fanfiction.net/s/13106990/14/Round-Two Round Two]]'', due to being one of the few people that has been kind to her. When Principal Kokayakaya tries to hire her Black Mask identity to give Akira a mental shutdown, she responds by having Loki rampage throughout his palace, before threatening to skin him alive if he does anything towards Akira.

[[/folder]]

[[folder: Franchise/Pokemon ]]

* ''Fanfic/GuysBeingDudes'': Discussed by Candela while she dissects how Arlo likely knew his OperationJealousy wouldn't have worked, suggesting that he just did it because he liked Spark and needed revenge as an excuse. She points out that depending on the genre they found themselves in, her response to Arlo dating someone else to try to get her back may be to kill the rebound rather than trying to win him back with a GrandRomanticGesture.
* Roleplay/PokemonTheShadowOfNemesis: Melody Avery Hemlock from this Pokemon PlayByPostGame is one of these. A lonely girl who starts on her Pokemon journey in the hopes of [[IJustWantToHaveFriends finding a friend]], she quickly attaches herself to another girl named [[{{Tsundere}} Abigail]], who she declares is her "Best Friend Forever". Anyone who threatens Abigail from that point onwards is soon faced with the brunt of Melody's homicidal urges.
* ''[[https://www.quotev.com/story/9667937/Ill-Write-Your-Name I'll Write Your Name]]'': In this fanfic, Serena is guilty of many Yandere subtropes, starting from [[WouldHurtAChild slapping Bonnie for praising Serena's in-story love rival]], MurderTheHypotenuse (and attempts of), IfICantHaveYou, shedding CrocodileTears, SanitySlippage, and went as far as being BadBoss by forcing/intimidating her Pokemon to do the deeds.

[[/folder]]

[[folder: ''Anime/Puella Magi Madoka Magica'' ]]

* ''[[http://www.fanfiction.net/s/7298347/1/ Insane Insight]]'': In this fanfic, Sayaka goes full-on yandere for Kyosuke [[spoiler:to the point of killing Hitomi. But then she's not the only one who goes yandere]].
* ''[[https://m.fanfiction.net/s/10202426/1/You-re-Mine You're Mine]]'': In this fanfic, Homura's obsession and possessiveness toward Madoka are cranked up [[spoiler:to the point of killing Sayaka, Mami, Kyoko and also kidnapping Madoka]].
* Chapter Two of ''[[https://m.fanfiction.net/s/6979910/2/Magical-Challenges Magical Challenges]]'' features Yandere [[spoiler:Mami]] who committed [[MoralEventHorizon many]] [[ClingyJealousGirl atrocious]] [[MurderTheHypotenuse murders]] that would make [[VisualNovel/HigurashiWhenTheyCry Shion Sonozaki]] proud. Completed with her SanitySlippage: [[spoiler:"If Madoka has turned into a Witch... Then the whole world has no choice but to die!"]]
* Fanfic/PersephonesWaltz features a yandere Homura who kidnaps Madoka, claiming it is for her own sake. She shoots [[spoiler:Sakaya]] when she tries to break her out.

[[/folder]]

[[folder: ''Web Animation/RWBY'' ]]

* ''[[https://www.fanfiction.net/s/11754595/1/Blood-and-Ink Blood and Ink]]'': Cinder becomes enamored with Ruby after the latter opens a flower shop across the street from the former, and makes it clear to everyone that Ruby is her's. She even goes as far as to send Roman to attack Yang when Cinder believes that she'll become a threat to her blossoming relationship with Ruby (and also because Yang was the detective who led the raid on one of her bases). [[spoiler:[[DownerEnding The story doesn't end well for Ruby]]]].
* The fic ''[[https://www.fanfiction.net/s/9858809/1/Pyrrha-c-victory Pyrrha(c) victory]]'' turns [[TeamMom Pyrrha]] into one, in a show of [=OOCness=] that is both canon-butchering and extremely hilarious.
-->''Pyrrha shook the thought out of her head. She wasn't going to resort to sexual harassment yet.''
* ''Fanfic/WeissReacts'':
** Velvet is given this characterisation due to [[CharacterizationMarchesOn the fic having been written in Volume 1]]. Exceedingly PlayedForLaughs, as Velvet is also an IneffectualSympatheticVillain and an AntiVillain- she refuses to hurt her friends and wants to find an 'honorable' way of having Weiss all for herself. She also lampshades this as apparently there is NoFourthWall for her.
** Pyrrha ends up as this, but lacks the MetaGuy aspects and takes it entirely seriously, much to Jaune, Weiss and [[VideoGame/{{Persona3}} Minako's]] distress. However, like the above, she is also an AntiVillain who ends up being manipulated ForTheLulz by [[{{Troll}} Ren and Yang]].
* In ''[[https://archiveofourown.org/works/13716108/chapters/31509120 Nightly Visits]]'', ''most of the female characters'' are obsessively in love with Jaune. The only exceptions include Pyrrha (who's in love with him, just not to Yandere levels), Nora, and Glynda. Everyone else is fair game.
* [[http://vh1660924.deviantart.com/art/A-Dragons-Greed-MReaderXYandereYang-541489954 This]] fanfic is about Yang acting as one.
* Played very, ''very'' seriously in ''FanFic/ProfessorArc'': In the fic, Jaune ends becoming a teacher at Beacon, and earns the respect and admiration of Blake. This earns him the jealous hatred of Adam-who is convinced by [[ManipulativeBitch Cinder]] that Blake and Jaune's relationship is more then professional. [[spoiler: During the Battle of Beacon, he tries to murder Jaune's family with the Atlas robots-and was only stopped when Jaune [[BigDamnHeroes shut them off]] ]].
* In ''[[https://www.fanfiction.net/s/12985655/1/Operation-Jaune-s-Ex-Girlfriend Operation: Jaune's Ex-Girlfriend]]'', the gang finds out that Jaune had a ChildhoodFriendRomance with Bella Bleu, a famous actress from Mistral. They initially believe that Jaune and Bella still love each other and only broke up due to a combination of not wanting a long distance relationship and desiring different things, but the truth of the matter is eventually revealed when the two former lovers reunite: Bella is an insane stalker whose obsession with Jaune got so bad that her family had to hire a hypnotist to make her forget about him. After a few years, Bella regained her memories of Jaune and formed a plan to kidnap him, hire the same hypnotist to tamper with ''his'' memories, and take him to a secluded area where they would live together forever.
* An odd example ''[[https://www.fanfiction.net/s/11946465/1/Genderbent Genderbent]]'', where after Jaune and Pyrrha (and a few others) undergo a GenderBender from a Dust mixer, Jaune turns into a ClingyJealousGirl towards Pyrrha during her first period. It escalates so much that Pyrrha hides in Team RWBY's dorm while Jaune wanders the hall like a demented spirit. When she finds Yang hiding Pyrrha, she attacks so viciously that Yang spends an entire week hiding under the sheets. Though once Jaune's time of the month ends, she [[MyGodWhatHaveIDone panics at how insane she acted]], despite Pyrrha's insistence that the blonde wasn't in the right state of mind.

[[/folder]]

[[folder: ''Western Animation/The Simpsons'' ]]

* ''WesternAnimation/TheSimpsons'' fan-created character Mara Morrigan, originally from [[DeadFic unfinished fanfic]] "Bart Simpson's Obsession" but since then appearing in other works by various fans, is the sweet-seeming but secretly AxCrazy cutie with an unrequited love for Bart. The original fanfic was supposed to have ended with him having her committed to an institute to save his own life.
* ''FanFic/BartSimpsonAttorneyAtLaw'': [[spoiler: Jessica Lovejoy evolves into this by leaving threatening phone calls for Alex, and later kidnapping Bart and drugging him into saying a marriage vow]].

[[/folder]]

[[folder: ''Video Game/Splatoon 2'' ]]

* Played for laughs on the [[https://splatfestalert.tumblr.com/ Uh Oh, Splatfest Alert!]] tumblr, where Marina acts like this towards Pearl. Specifically, in the vein of "IfICantHaveYou", so she spends her trying to seduce Pearl, trying to kill her or both at the same time.

[[/folder]]

[[folder: ''Franchise/Star Wars'' ]]

* Darth Vader in ''[[https://www.fanfiction.net/s/13422699/1/Missing-and-Presumed-Dead Missing and Presumed Dead]]'' is a paternal version towards his son, Luke. After Luke managed to escape from him on Bespin, he began desperately pursuing him by any means necessary, including kidnapping and torturing members of the Rebellion for information. When he learns that his son is dead (not really, just [[FakingTheDead faking it]]), he goes on a RoaringRampageOfRevenge. After he learns that Leia is also his child, he kidnaps her to make sure that she doesn't die like his son did. Yoda considers this a natural reaction of any Dark-Side users.
-->'''Yoda:''' Possessive, Sith are. Fight to protect what they view is their's, they will.
* ''[[https://www.fanfiction.net/s/8787885/1/STAR-WARS-Episode-3-AU-Power-of-Mortis STAR WARS: Episode 3 AU: Power of Mortis]]'': Due to a Time-Travel Anomaly, [[spoiler:Padme]] is turned into a Sith Lord, who does everything in [[spoiler:her]] power to "protect" [[spoiler:Anakin]]. [[spoiler:[[DisproportionateRetribution She even goes as far as to order the arrest of the Jedi High Council simply because she wants Anakin away from them]]]].

[[/folder]]

[[folder: ''Literature/Sword Art Online'' ]]

* ''WebVideo/SwordArtOnlineAbridged'' amplifies Asuna's canonical {{clingy|jealous girl}} moments to the point where, after Lisbeth has an episode of UnresolvedSexualTension with Kirito, Asuna gives the other girl a fake hug and softly, calmly explains that "If I see you try something like that again, I WILL come for you." Then at the end of episode, after Lisbeth has run off crying and Kirito finds and comforts her, the blacksmith returns to her shop to find it a charred ruin, with "YOU WERE WARNED" scrawled on the sign. Liz spends the rest of the series terrified of Asuna, to the point of diving out of windows to get away from her.

[[/folder]]

[[folder: ''Comic Book/Teen Titans'' ]]

* Count Logan in ''Fanfic/TheEndOfEnds''. He wants to destroy the Multiverse and blames [[spoiler:Terra for wanting a normal life away from him. In essence, the crimes he committed were to make her be by his side again.]]

[[/folder]]

[[folder: ''Franchise/Transformers'' ]]

* A common interpretation of Starscream/Megatron.

[[/folder]]

[[folder: ''Literature/The Vampire Diaries'' ]]

* Vicki in ''Fanfic/TheJillGilbertSaga'' is very violent towards Jill, even more so when she becomes a vampire. Jill has hints of one herself and fully becomes one when [[spoiler: Klaus tells her turn off her feelings that don't involve him.]]

[[/folder]]

[[folder: ''Franchise/Touhou Project'' ]]

* Yukari was a maternal one in [[http://www.fanfiction.net/s/9413166/1/Mine-newer-version Mine]] towards Reimu, who is, at the time, about one and a half years old (ergo, an infant), and was more than willing to take Reimu to the grave with her, literally. Her reason for this was because she was Reimu's wet nurse and, in breastfeeding her, grew attached and didn't want to give her back to her birth-mother (the then shrine maiden), as she's cared for her since birth and sees herself as being Reimu's mother, ergo she is more than willing to kill herself and Reimu, too, just to keep 'her baby' from being taken from her, making her Type 1: Possessive. However, she is a mild one as she would have only killed herself and Reimu too as a last-ditch effort but her willingness to do it at all shows her attachment and exactly how unwilling she was to let Reimu go. Of course, she only said she would but, if she fled and Ran still continued to chase her down further, it would be likely she would have gone through with it or fled to the Outside World, though the former is more than likely than the latter.
** Definitely played to a minor maternal sort in [[http://www.fanfiction.net/s/9505957/1/Touhou-MAMA Touhou MAMA]], a crossover of the Touhou Project and the film ''{{Film/Mama}}'' where Yukari, playing the role of Mama/Edith Brennan actually does take Reimu to the afterlife with her just to keep from losing her, with Reimu, playing the role of Lily, happily going with her "Mama". As a matter of fact, when Reimu is taken to be with her family, Yukari decides she wants none of it and is not going to allow anyone to take her 'child' away from her without raising hell first, thus it escalates to her spriting people away and causing Gensokyo to descend into a panic over the events.

[[/folder]]

[[folder: ''Literature/Warrior Cats'' ]]

* ''[[https://www.youtube.com/watch?v=7mMPyEQ_0AY Bad Girl]]'' is a FanAnimation [[MultiAnimatorProject MAP]] where Spottedleaf is yandere for Firestar. After her death, Spottedleaf becomes upset that Firestar has moved on from her. She slowly begins killing off his loved ones (including [[MurderTheHypotenuse personally killing]] Firestar's mate, and her own niece, Sandstorm) so that he'll pay attention to her.
* In ''Fanfic/SpottedleafsPlot'', Spottedleaf is this way towards Firestar. She wants his mate Sandstorm killed and doesn't care who she hurts in the process. It's also shown that she's weirdly maternal towards Firestar's daughters, especially Leafpool (who is [[DeadGuyJunior named after her]]).

[[/folder]]

[[folder: Music/Vocaloid ]]

* Rin, Tei, and [[spoiler: Mayu]] all count as this in the Music/{{Vocaloid}} fanfic ''Fanfic/RottingCamellias'', Rin has an unhealthy [[spoiler: and literal]] attachment to her brother, Len, stating that she's glad that [[spoiler: the two of them have been stitched together, because that means they can be together forever]] and acting generally annoyed whenever he gives attention to Tei. Tei, meanwhile, [[spoiler: threatens Miku with a knife for even thinking of interrupting her time with Len.]] But it isn't until the very climax of the story that we see [[spoiler: Mayu]] take her rightful place as yandere queen when she [[spoiler: kills Cul when she realizes that Meiko loves her more.]]

[[/folder]]

[[folder: Unsorted ]]

* ''DarthWiki/NewDawn'' has three of these:
** [[spoiler: Claudia Bartlett]] is one you would never expect. At first seeming like an inhumanly stoic character with MrsRobinson vibes, her affection for Matthew seemed purely superficial and [[LustObject based on his physical attributes.]] [[spoiler: She does not really care that she is his teacher, only that her husband - an insurance manager - is never around to "take care of her needs". It turns out Claudia is madly in love with Matthew...[[{{Squick}} because he looks like Dad, who she's had sex with previously.]] She tries to drug him with Rohypnol in the victory party over Nebiros, and comes very close to ''molesting the poor guy''. She then becomes convinced she needs to kill her husband for him to love her.]]
** Much more maniacal is [[OurVampiresAreDifferent Joshua]]-[[TheSociopath Antonio]], who has a PsychoSupporter thing going for Nebiros. He "does not want anybody but Matthew to challenge Nebiros", viewing his service as basically an act of love, and serves Nebiros not for a vendetta against society or against certain sub-cultures, but because he genuinely loves his boss. Nebiros being a deformed MonsterClown has not impacted this in the slightest. He actually becomes very, very angry when [[SmugSnake Wayne Reverie]] speaks badly to Nebiros.
** And the last is Katherine Daille. Consider that she is actually mentally ill, mostly caused by ''positively hideous'' abuse by her father and brother. Matthew was the only "steady thing" / "safe thing" in her life, and he defended her many times from bullying from schoolboys all the way into high school. As a result, she became hell-bent on trying to secure her position as his girlfriend so she can get out of her house and get into his. She rapidly mentally declines as more women enter Matthew's life "threatening her love" or so she thought. She is a very sympathetic Yandere, but also the most unstable one in the book. It probably doesn't help that her Spell Core power involves summoning horrifying demons that exist to kill people..
* There's literally a genre of "X Reader" fanfics named "Yandere X Reader", where ''you'' yourself [[TheFourthWallWillNotProtectYou would need to confront]] a yandere, which is a disturbing thought to think.

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