History Main / PsychoLesbian

* ''Series/BattlestarGalactica2003'': Ruthless Rear Admiral Helena Cain is revealed to have been in a relationship with Cylon infiltrator Gina Six during "Razor". She shot her own XO for disobedience, ordered civilians killed who resisted her taking their supplies and has Gina gang-raped after learning she's a Cylon.
* The episode "The Harem" from ''Series/TheBlacklist'' features a master thief, murderer, and typical villainous lesbian, Margo, who makes a pass at Elizabeth (the show's married, heterosexual lead) and then gets aggressive and sexually coercive when her advance is initially rejected.

* ''Series/{{Creepshow}}'': In "[[Recap/CreepshowS1E8LydiaLanesBetterHalf Lydia Lane's Better Half]]" Celia comes back from the dead to get revenge on her girlfriend Lydia, who killed her accidentally after they fought over Lydia's denying her a promotion.
* "Somebody's Watching," an early episode of ''Series/CriminalMinds'', had [[spoiler: Maggie Low as the unsub, a college friend and longtime stalker of Lila Archer.]] She confronts Lila and Spencer at gunpoint in the end, furious because Lila and Spencer are attracted to each other.
* In ''Series/CriminologistHimuraAndMysteryWriterArisugawa'', the culprit who murdered an idol in the "Waiting for Jack the Ripper" case is revealed to be [[spoiler:the idol's producer, a woman who had become obsessed with the idol. When the idol tried to leave her group, the producer killed her so that [[IfICantHaveYou no-one else could have her]], then framed her body in a "beautiful" way.]] This is notably contrasted by a fellow member of the idol group, a shy and kind-hearted lesbian who was also in love with the idol.
* ''Series/{{CSINY}}'': A season 1 Victim of the Week was one of these. The perpetrator was a young woman who had once worked for the victim as a personal assistant and was now working as a [[BodySushi "table" in a sushi restaurant.]] The victim had fired the young woman and destroyed her career for refusing her sexual advances; once the victim learned of her former PA's new job, she would specifically request the young woman to be her "table" and continue to sexually harass her. Because refusing a customer request was likely to get herself fired, the former PA had poisoned her toenail polish to get her revenge (the victim liked to eat sushi off her former PA's toes).
* Several characters of ''Series/CuteyHoneyTheLive''. The title character, Honey, is lusted after by another female main character, Yuki. Yuki gets extremely jealous and possessive although they never develop a romance, her insanity builds up to the point where she becomes the main villain. Additionally, another main character, Miki, initially appears to be somewhat insane (introduced in a prison, then slaughters a bunch of men attacking the prisoners; proceeding to become a hero until her death, only to be brought back to life, only to be merged (in the midst of a lot of lesbian subtext) with Honey to help her defeat the Psycho Lesbian villain Yuki. That's not all, however; Mayumi, a sadist teacher who likes to perform an ambiguous lesbian sex act involving raw eggs on her students, develops a passionate attraction towards Miki, whilst fighting the heroes throughout the series. In the end, in Miki's last moments, she finally shares a kiss with her. For added '''wrong''', a good deal of Mayumi's fights with Miki consist of one groping the other.

The DistaffCounterpart of the DepravedHomosexual and very much ExactlyWhatItSaysOnTheTin: a lesbian woman who is described as [[AxCrazy mentally unstable]], villainous or otherwise dangerous ''because'' she's a lesbian i.e. [[NoBisexuals not a bisexual]]. She will often be described as covetous of other women and [[DoesNotLikeMen irrationally hateful towards the male gender]], if only because they are taking away too many potential mates. Often a ChildHater too, unless AllLesbiansWantKids (uncommon for this character trope).

This trope carries uncomfortable subtext: [[MoralMyopia go straight or go crazy]]. Or ''at least'' [[UnfortunateImplications have the decency of being bisexual]] so the male audience [[GirlOnGirlIsHot can have something they can enjoy watching.]] For years, a cocktail of censorship and bigotry rendered all lesbian characters on screen exclusively "crazy" and villainous. UsefulNotes/TheHaysCode-era requirements that "deviant" characters (and that included all gay characters of any gender) must not be made sympathetic or rewarded meant that such characters [[BuryYourGays would almost inevitably be toast]] before the final credits rolled -- and this convention has persisted long after the demise of the Code itself.

* [[spoiler:Homura Akemi]] became this at the end of ''Anime/PuellaMagiMadokaMagicaTheMovieRebellion''. [[AntiVillain Maybe]]. It depends on which side of the BrokenBase you are.

Very often motivated by [[WomanScorned an unrequited love]] for a [[IncompatibleOrientation straight woman]] that she wants to herself, which can result in [[MurderTheHypotenuse assassinating the competition]], sometimes even [[WouldHurtAChild getting rid of her desired lover's kids]]. Such a character often doesn't check consent nor the feelings of the woman she's after, all that she wants is that woman to love and desire her back. The more benign versions might stop at [[StalkerWithACrush stalking their beloved]], but most examples are more a case of IfICantHaveYou. Extreme cases are downright predatory in their pursuits, but it's rare sub-type.

* ''HybridXHeartMagiasAcademyAtaraxia'': Averted with Aldea. While she's an absolutely sadistic BloodKnight, her deep feelings for Grabel are framed as one of her redeeming qualities and even serve as the first sign that the character isn't as evil as she first seems.

* ''VideoGame/WolfInSheepsClothing'' is about a mentally ill trans girl who has a family history of ''serious'' mental instability and is losing the war against her inner demons. Her only link to sanity is her best friend Colette, who she has a disturbing desire to lick on the bleeding nose. [[spoiler:Sadly, she can't overcome her violent urges and goes homicidally insane, and her last words are toxic and manipulative towards her love interest Colette.]]

* The sadistic Nazi Ingrid in Roberto Rossellini's seminal classic ''Rome, Open City'' (1945). Ingrid plies her targets with luxuries like narcotics and fine clothes in order to gather information on the Italian resistance in Rome; eventually disposing of them when they outlive their usefulness. The young woman she seduces doesn't come off too well either, but she's desperate, bitter, and impoverished in war-torn Rome and is somewhat easier to sympathize with.