[[quoteright:350:[[Manga/BlackLagoon http://static.tvtropes.org/pmwiki/pub/images/BLVI_1153.png]]]]
[[caption-width-right:350:Yes, they're [[CreepyTwins twins.]] This is of their ''less'' disturbing aspects.]]

->''"[[ILikeMyXLikeILikeMyY We like our villains like we like]] our [[Literature/TheBible Books of Genesis]]: with [[IncestSubtext implied incestuous relationships]]."''
-->-- '''Website/{{Cracked}}'''

So you have a character who is a villain. He's [[KickTheDog kicked puppies]], [[ColdBloodedTorture tortured defenseless kittens]], and done everything he can to make sure he has thoroughly crossed the MoralEventHorizon. What else can you do to show the audience that he is absolutely evil in every way?

You have him engage in certain [[DepravedBisexual taboo]] or [[GoodPeopleHaveGoodSex questionable]] activities which are frowned upon by most cultures. Sure, EvenBadMenLoveTheirMamas, but some bad men love their mamas a ''little'' too much, and this adds to the audience's view of the villain as a disgusting, depraved individual who commits evil and unnatural acts on a daily basis.

Compare BrotherSisterIncest, ParentalIncest, GoodPeopleHaveGoodSex.

Contrast SurpriseIncest for when the people involved may or may not know they are related, although these kinds of villains usually don't care. Can cross over with FreudianExcuse if it's implied to be rooted in child abuse.

[[noreallife]]
----
!!Examples:

[[foldercontrol]]

[[folder: Anime & Manga ]]

* Demon sisters Scanty and Kneesocks of ''Anime/PantyAndStockingWithGarterbelt'' apparently enjoy partaking in strange sexual play involving [[NoodleImplements caviar, figs and goat milk]] when the mayor isn't looking.
* [[spoiler:Akio regularly has sex with [[BrotherSisterIncest his sister Anthy]]]] in ''Anime/RevolutionaryGirlUtena''. [[spoiler:It's both an example of this trope, and an allusion to their nature -- incest is rather common among many cultures' gods]].
** [[spoiler: Miki and Kozue]] may do the same during their car ride, and [[spoiler: Touga and Nanami]] very nearly do; at best, it's a rather blunt metaphor about each girl's relationship with men now that they've begun puberty.
** [[spoiler:Interestingly enough, Nanami, the girl who has harbored a very blatant (and often sexual) crush on her brother, is absolutely horrified when she discovers that Anthy and Akio are intimate]].
* Alexis and his sister Augusta in ''CountCain''.
* Auguste Beau of ''Manga/KazeToKiNoUta'' uses sex to control and manipulate [[spoiler: his son, Gilbert]].
* Sorath and Tiriel from ''LightNovel/ShakuganNoShana'', {{squick}}ing Shana in the process.
* The creepy twins Yui Fan and Yui Lan from ''LightNovel/FullMetalPanic: The Second Raid''.
* Dr. Hagen and his sister Nina in ''Anime/AgentAika''. Interestingly, she was the creepier one in that pairing.
* [[CreepyTwins Hansel and Gretel]] from ''Manga/BlackLagoon'' (it's with each other...and they're ''[[TroublingUnchildlikeBehaviour kids]]'').
* The Black Beauty Sisters in ''MermaidMelodyPichiPichiPitch'' are almost certainly a couple (they're the page image for HideYourLesbians), but it's never made clear whether they're actually sisters or not.
* The Long twins from ''[[http://www.animenewsnetwork.com/encyclopedia/anime.php?id=89 Twilight Of The Dark Master]]''. Taken to a whole new level of creepy (or hilarious) when you find out that their voice actors in the dub are ''husband and wife.''
* Played for laughs in the ''[[Manga/BlackButler Black Butler Hamlet]]'' OVA, when Grell/Ophelia gets the hots for Agni/Polonius. Agni thinks it's disgusting, even if he's not related to Grell.

[[/folder]]

[[folder: Comic Books ]]

* An obscure MarvelUniverse character from the equally obscure ''CometMan'' series knowingly started dating his estranged and unwitting sister as part of a plan to revenge himself on his entire family. While sex was never made explicit, they had moved in together for some weeks before his relationship to her was revealed.
* Andrea and Andreas Strucker, the Fenris twins of MarvelComics. And then it got {{squick}}ier after Andrea died.
** Technically their incest was never confirmed, and Andreas denied it at one point (Well that's not surprising). But the implications are incredibly strong.
* Baron Mordo, archenemy of Comicbook/DoctorStrange, knowingly had a sexual relationship with his his Gypsy half-niece (she was unaware of the relationship) which ultimately resulted in a daughter. Just to make it worse, Mordo seduced her to steal the Book of Cagliostro, a book of spells, and then abandoned her.
* While it was implied throughout the franchise that the family ''may'' have been committing incest, the comic ''TheTexasChainsawMassacre: Raising Cain'' outright stated it. After one family member's wife is killed (in part, by him) he nonchalantly states he has plenty of other sisters he can marry, also indicating he and the rest of the family [[CrossesTheLineTwice are going to eat the dead one]] ("Meat should never go to waste!")
* Quicksilver and Scarlet Witch are in a long term relationship with each other in the UltimateMarvel universe, possibly based on an earlier {{meme|ticMutation}} originating in the original comic universe. So much so to the point where Pietro actually gets jealous when Wanda hits on a robot.
** Although the two of them are more AntiHero with AntiVillain moments as opposed to out and out villains.
* In AlanMoore's ''Comicbook/SwampThing'', Abby is unknowingly seduced by her own uncle, the uberevil villain Dr. Anton Arcane.
* ''StrangersInParadise'' has Darcy and, yes, [[spoiler:David.]]
* ''Many'' of the villains in ''SandmanMysteryTheatre'' are incestuous in one way or another, to the point where you start to wonder about the writer...
* In the BadFuture of {{Wolverine}}'s "OldManLogan" arc, [[TheHulk Bruce Banner]] has made a FaceHeelTurn and sired the Hulk Gang with his cousin SheHulk.
* The ''SinCity'' short story entitled ''Daddy's Little Girl'' has a rather disturbing example of this. [[spoiler:A woman seduces a man but claims that her father does not approve of the relationship, eventually asking him to shoot him. It turns out that the whole thing was a setup. She was sleeping with her father and he apparently [[NightmareFetishist gets off by killing people before sleeping with his own daughter]].]]
* The gods are naturally featured in ''WonderWoman''. Mentioned is their habit of boinking their blood relatives.
* The Flash villain Ragdoll (Peter Merkel) is heavily implied to have sexually abused his daughter, Alex. Later on, it appears that his son Peter Jr. and Alex (both now villains themselves) partake in a incestuous relationship themselves, although a consensual one.

[[/folder]]

[[folder: Folk Tales ]]

* A classic fairy tale found throughout Europe concerns, in various variations, a wicked older male relative pursuing a beautiful younger female niece or daughter. Thanks to gender taboos of the period, the fathers never undergo the punishments typical of {{Grimmification}} even though the stories otherwise condemn his actions. An even creepier variant, "The Girl with No Hands," is, well, NightmareFuel of the worst sort.
* Peter Stumpp of Bedburg (the original werewolf) was described as having sex with his daughter. The authorities made sure to execute her as well.
* In some versions of the Arthurian legends Mordred was the son of King Arthur and his half-sister Morgana (swept under the rug in the musical ''Theatre/{{Camelot}}'' but dramatized in the movie ''Film/{{Excalibur}}''). However, in an inversion of the usual applications of this trope ''she'' seduced him (using a disguise spell) as part of her EvilPlan to avenge his father using a similar to have sex with her mother after murdering her father.
** T.H. White's ''Literature/TheSwordInTheStone'' discusses that it is committing this sin, however unwittingly, that dooms Arthur to such a tragic life.
*** Well, drowning all those children may have had something to do with it, too. While this is usually chalked up as Arthur's greatest sin, it's only one of many sins that bring Camelot down.
** N.B.: in the original legends his incest was with Morgause, his other half-sister. Modern versions often just [[CompositeCharacter combine this role]] with Morgan(a) for simplicity. (White's version, though, kept Morgause.)
* In Finnish folktales, the villains, bogeymen and monsters are assumed to have gotten their birth from villainous incest.

[[/folder]]

[[folder: Fan Fiction ]]

* ''FanFic/InnerDemons'': You know the subtle IncestSubtext that exists between [[WesternAnimation/MyLittlePonyFriendshipIsMagic Twilight Sparkle and Shining Armor]] in canon? Well, after being consumed by her [[EnemyWithin Queen persona]], Twilight stops bothering with either subtlety ''or'' subtext, to the point that she [[spoiler: imprisons and impersonates Cadence in order to sleep with Shining Armor]]. And when Shining Armor rejects her advances and sides with the protagonists, Twilight has a full-blown VillainousBreakdown and attempts to [[MurderTheHypotenuse kill Cadence]] in a jealous rage.
* In the ''Fanfic/OneiroiSeries'', a ''[[Webcomic/TheOrderOfTheStick Order of the Stick]]'' series of fanfics, [[SplitPersonalityTakeover Deirdre]] [[spoiler:[[MoralEventHorizon rapes and kills her father, gets pregnant by him, and then manipulates her brother into having sex]]. Most of the other villains think that she's going to do the same to her uncle, too.]]
* In ''[[http://percyjacksonfanfiction.wikia.com/wiki/Stand_In_The_Rain Stand In The Rain]]'', a ''PercyJacksonAndTheOlympians'' fanfiction, [[spoiler:the main character is raped by her mentally disturbed half-brother]].
** FromBadToWorse - [[spoiler:she gets [[ChildByRape pregnant]]. With her own brother's baby]].
** Pass the BrainBleach, please!
* There is a ''VideoGame/PokemonDiamondAndPearl'' CrackFic in which Saturn and Jupiter have sex regularly even though they're [[KissingCousins cousins]]. Mars also mentions having once had sex with her ''brother,'' which she thinks of as okay because the ancient Egyptians used to do it. Granted, none of them actually do anything all that evil, except under Cyrus's orders.
* ''FanFic/TheImmortalGame'': [[BigBad Titan]], having taken over Equestria, attempts to force his daughter Luna to marry her brother Empyrean in order to solidify the latter's position as rightful acting ruler. [[spoiler: It's also later revealed that his wife Terra is actually his daughter as well.]]
* Given the fact that most ''WizardsOfWaverlyPlace'' fics are focusing on [[BrotherSisterIncest Justin/Alex]], many of them portray their relationship as wicked and harmful, and few have {{happy ending}}s.
** In ''[[http://www.fanfiction.net/s/6431324/1/Perfect_Lies Perfect Lies]]'', Justin has a calm life, a four years old daughter and a loving wife. Then Alex comes and creeps in, destroying it slowly, by alluring him into having sexual affairs with her. And [[EvilTastesGood she enjoys it]].
* Any HarryPotter fanfiction that bashes Purebloods like Draco Malfoy will love this trope far too much.
* Much CodeGeass fanfic, especially AUs where Nunally and Lelouch are never banished, take the [[MemeticMutation Britannincest]] subtext to the next level. Schneizel/Cornelia, Cornelia/Euphemia, Euphemia/Lelouch, Lelouch/Nunally, and Schneizel/Lelouch are all very popular.
[[/folder]]

[[folder:Film]]
* Eleanor Prentiss Shaw of ''TheManchurianCandidate'' (known in the novel as Eleanor Iselin). Both film versions show Eleanor coming onto her son Raymond, whose consent is dubious, and the novel on which it was all based includes frank mentions of [[spoiler:consummated incest, both between Eleanor and her father Tyler and between Eleanor and Raymond]]. Eleanor figures as a villain in both the novel and the original film version. In the remake, she's a likable character who does horrible things with good intentions, and in all three works the incestuous element is definitely used to enhance her creepiness.
* Commodus from ''Film/{{Gladiator}}'' had a sister complex. The sister in question, Lucilla, was appropriately horrified.
* Heavily implied in both versions of ''Film/{{Scarface}}''.
* ''TheRockyHorrorPictureShow'': Magenta and Riffraff have ''a lot'' of [[MemeticMutation elbow sex]].
-->'''Audience line''': "Incest is the best, put your sister to the test!"
* A major plot point in ''Film/{{Oldboy}}''.
* Played for laughs in ''BladesOfGlory''
** HilariousInHindsight since the actors are actually married.
* [[spoiler:Noah Cross]] from ''Film/{{Chinatown}}'' famously crossed the MoralEventHorizon when it was revealed that [[spoiler:he molested Evelyn Mulwray, his own daughter, which resulted in her having a daughter who was her sister as well. He ends up with custody of the inbred kid, who can expect some serious raping of her own, after Evelyn gets a bullet in the head. [[ShootTheShaggyDog Not a pleasant ending at all]].]]
* ''Film/{{Psycho}}'' hints at this, but it's not until [[PsychoIVTheBeginning the prequel]] that the subtext becomes a textbook case of FreudianExcuse.
* In ''Film/{{Sleepwalkers}}'', the titular villains are an incestuous mother and son duo. They are shown to have tons of sex with each other, and feeding off the life force of virgin girls. It is said that Charles, the son, feeds his mother Mary through their incestuous sex.
* In ''Film/{{Hellraiser}}'', Kristy's [[EvilUncle Uncle Frank]] starts tiring of the sex he has with her stepmother. So he decides to turn his attention to Kristy, later noticing how beautiful she's grown up to be, and attempting numerous times to rape her (even culminating in them ''[[{{Squick}} kissing]]''). Considering that Frank is well known for having broken ''all'' taboos and kinks to have in sex, it's unsurprising that he'd be keen on trying out [[IncestIsRelative incest]] with a [[{{Ephebophile}} minor]].
* Top Dollar and his half-sister Myca from ''Film/TheCrow''. They were both into it, they just both happened to be evil.
* Mother-and-son team of [[OurVampiresAreDifferent shapeshifting energy vampires]] from ''Stephen King's {{Sleepwalkers}}''. Not being human, they may lack this particular taboo. They're also implied [[LastOfHisKind not to have much choice in partners]].
* In ''CruelIntentions'', Sarah Michelle Gellar's character promises to sleep with her step-brother if he can deflower an avowed virgin before the summer is over.
** Somewhat averted in that they're not blood relatives, so it's not proper incest.
** Parodied in ''NotAnotherTeenMovie'' where the interest is reversed with the sister agreeing to help him win the bet to get the nerdy-girl only if he'll agree to have sex with her after he wins. He objects that they are related and she responds "…only by blood!"
* Implied with the [[BigScrewedUpFamily Largos]] in ''RepoTheGeneticOpera''.
* The second ''Film/{{Hellboy}}'' movie had the BigBad imply that he was in love with his [[{{Twincest}} twin sister]]. Apparently, this was intentional amongst the actors.
* ParkerPosey's character in ''TheHouseOfYes'' has this up the wazoo.
* ''Film/LaReineMargot'' (Queen Margot) has this in spades, with the eponymous Marguerite de Valois having sex with her brothers and their brother Anjou being in love with their mother, Catherine de' Medici. The whole incestuous lot is pretty villainous with atrocities, backstabbing, and poisonings under their belt, though a couple of them are more ambiguous including Margot herself.
* In ''Film/ThatsMyBoy'' [[spoiler:Donny discovers that his son's fiancee is cheating on him... with her younger brother]].
* ''{{Precious}}'' The title character had been repeatedly raped by her father resulting in two pregnancies. [[spoiler: It is implied that her mother forced her to have sex with her as well, while in the novel it is explicit.]]

[[/folder]]

[[folder:Literature]]

* Literature/TheBible had Lot's daughters raping him, which allegedly produced the Moabites and Ammonites with whom the Israelites had frequent wars. Many consider this a vilification of these rival tribes. Not everyone is entirely sure what happened between Noah and Ham in a certain tent either.
** Incidentally, Ruth was a Moabite, so the Davidic line also descends from Lot and his daughters.
* Caligula with his sisters and Nero with his mother, both in ''Literature/IClaudius'' and (allegedly) in RealLife.
** The only reason Nero was ever emperor is that his mother married the emperor Claudius. Her ''uncle.'' Claudius was the first man in Roman history to marry his niece and had to change the law to permit the union.
** Agrippina (the niece Claudius married) was also one of Caligula's sisters, by the way. In Paul L. Maier's historical novel ''The Flames of Rome'', Nero's wife chews him out for his part in the affair, specifically pointing out that incest was apparently an old habit with her: "How old was she when her brother Caligula first seduced her, twelve!?" The Julio-Claudian dynasty in its latter years was a major {{squick}}fest all around.
* Ikurei Xerius in ''SecondApocalypse''.
* In ''TheSilmarillion'', Maeglin lusts after his cousin Idril. His feelings are unreciprocated, partly due to the Noldorin incest taboo, partly because she marries someone else. A series of unfortunate events later, Maeglin betrays the location of the formerly hidden city to [[{{Satan}} Morgoth]] in exchange for lordship and possession of Idril.
** In ''The Fall of Númenor'', Ar-Pharazôn becomes the last king of Númenor by marrying the late king's daughter against her will. She's his first cousin. Pharazôn's ego and disregard for traditions or basic morality simply made it that much easier for Sauron to corrupt him into Melkor-worship. Pharazôn had no legal right to the throne and marrying Míriel did not actually give it to him. He simply used it as a pretext.
*** There are multiple versions of this. In some of JRRT's versions, Tal-Palantír's daughter is infatuated with Pharazôn (who by all accounts was likeable in his youth) and marries him consensually, and hands him the ''de facto'' control of the Sceptre. In others, he takes her to himself against her will and seizes the Sceptre with the approval of the general public (who by now were mostly corrupted).
**** JRRT vacillated a ''lot'' on the consensual-nonconsensual nature of sexual relationships in the larger canon; the parents of Maeglin above, for instance, go from RapeIsLove, to consensual babymakin', to "wifing by force" (which is Tolkienese for "carry her home and put on your rapin' pants").
* Celie's father in ''TheColorPurple'', although [[spoiler: she isn't really his daughter]].
* At one point in ''{{Lolita}},'' Humbert Humbert fantasizes about siring a daughter with his adoptive daughter, then a granddaughter with said daughter, and so on. Despite the MisaimedFandom, [[Creator/VladimirNabokov Nabokov]] definitely intended Humbert to cross the MoralEventHorizon.
* Mason Verger in the book but not TheMovieOfTheBook ''{{Hannibal}}''.
* In his Wold Newton universe, Creator/PhilipJoseFarmer suggests that Carl Peterson (archfoe of BulldogDrummond) and his lover Irma (who sometimes posed as his daughter) were, in fact, father and daughter.
* [[spoiler:Jaime and Cersei]] from ''ASongOfIceAndFire''--both major villains in the Iron Throne plotline. Interestingly, for a long time they were the only genuinely loving couple in the series without a tragic ending in sight. Subverted, in that after [[spoiler:Jaime]]'s HeelFaceTurn, he's still really only attracted to his sister, and it's not until she [[spoiler:turns into a paranoid wreck and runs herself into the ground]] that the relationship fails.
** Played straight with the Targaryen family, who married brother-to-sister for hundreds of years to keep their blood pure, which resulted in a degree of being batshit insane. Not all Targaryens qualify as villains, but the ones who do tend to do so in grand style--Aerys II's madness was so violently destructive that he overthrew his own dynasty, committing several unpleasant murders which sparked off Robert's Rebellion.
** Also [[spoiler:Craster and his wives, who are also his daughters.]]
* [[BigBad Lord]] [[HornyDevils Raith]] of the [[OurVampiresAreDifferent White Court]] in ''TheDresdenFiles'' has the habit of ''raping'' his daughters into [[MoreThanMindControl submission]], thus amplifying the evil of this trope by making it non-consensual. He kills his sons for being potential "threats," though, despite the fact that this cuts his potential workforce in half and the canonical fact that the [[LesbianVampire Raiths tend not to care about gender]] when it comes to food. [[spoiler:Maybe he decided making the extra sexual slaves would have been too much of a drain, since he'd been cursed to be unable to feed and thus die a slow death via starvation. In the end, it doesn't matter, since it's one of his 'not a threat' daughters that [[MindRape turns him into a vegetable]].]]
** Thomas says that his father's tastes "don't run that way", and there are a few other times when it's implied that the Raiths do have gender preferences when it comes to feeding, even if they're capable of going both ways
** Nicodemus and his daughter Deirdre share an kiss, with tongue. Its implied that they've gone farther than that.
* ''And The Ass Saw The Angel'' had an [[CannibalClan incestuous clan]] of {{serial killer}}s living up in the hills. The protagonist's father was a defector from this clan.
* In ''The Crying of Lot 49'', the characters go to see a Jacobean-era revenge play called ''The Courier's Tragedy'', whose villains are an incestuous family of aristocrats vying for the throne.
* Terah Graesin and her brother Luc, from the ''TheNightAngelTrilogy''.
* ''The Ringmaster'' by David Gurr gets philosophical about this trope--it sets up one of these between a Nazi and his sister, and uses it as something of a metaphor for just how screwed up ThoseWackyNazis were.
* ''ParadiseLost'' uses this as part of an extended allegory of Christian beliefs. {{Satan}} has sex with his daughter Sin, who sprang out of his head when he came up with the notion of rebelling against God. Their resulting offspring is [[TheGrimReaper Death]].
* Non-consensual incestuous relationships figure in the backstories of several DeanKoontz characters, such as in ''The Bad Place'', ''Whispers'', ''Life Expectancy'', and ''What the Night Knows''.
* In ''[[ChroniclesOfBloodAndStone The Fifth Sorceress]]'', the FaceHeelTurn of [[spoiler:Shailiha]] is made explicit when she makes passes at her captive [[spoiler:brother]], though she doesn't actually get a chance to rape him. [[UnfortunateImplications And also by her becoming bisexual, apparently.]]
* In ''HarryPotter'', you can pick a random member of the Black family and find someone, if not evil, at least highly unpleasant who is married to an awfully close relative, Sirius and Regulus's parents being the most obvious, especially with Walburga screeching about mudbloods and "filth of my flesh." The whole Gaunt family, with the exception of Merope, also fits into this, and she birthed Voldemort!.
** In the Black family tree the closest couple actually given are second cousins, which is perfectly legal [[strike:in the UK]] ''everywhere'' - but the close family tree certainly seems designed to highlight the FridgeLogic of insisting on "blood purity". The [[AxCrazy Gaunts]] are another matter entirely...
*** Often, though, those second cousins are themselves children of second cousins - and so on.
* In ''TheElenium'', it is fairly common knowledge that the late [[DeadlyDecadentCourt King Aldreas had a sexual relationship with his sister Arissa]], though they weren't so much evil as sickeningly depraved.
** ...There's a distinction?
** Yes - it might be disgusting, but given the choice between a King who's porking his sister and a king who's (for example) murdering thousands and skinning puppies, I'd take the incest fellow.
* The "novelization" of the 1980 ''Film/FlashGordon'' included a small scene of Ming and Aura pleasurably reminiscing about the most recent time they had (BDSM-heavy) sex together. .... eeeeeep.
* In the ''{{Deryni}}'' series, this is one of the signs that Imre is a depraved tyrant, though the tyranny is only by medieval standards.
* The Duet, [[{{Twincest}} twin rulers]] of the Seven Kingdoms in Morgan Llywelyn and Michael Scott's ''{{Arcana}}'' series.
* Duchess Alicia in ''The Waters Rising'' by Creator/SheriSTepper clearly lusts after her father [[spoiler:[[NotBloodRelated who, unknown to her is not actually her father]]]] and has relations with [[spoiler:The Old Dark Man who actually is, although she thinks he might be her grandfather]] and her half-brother.
* Leo Friend, one of the villains in Creator/TimPowers' ''Literature/OnStrangerTides'', lusts after Beth Hurwood as a surrogate for his own mother. Technically applies to Beth's father, who plans to oust Beth's spirit from her body so her mother's ghost can move in, although he's so out of touch with reality that the incestuous implications may honestly never have crossed his mind.
* In the '''Lymond Chronicles'' by Dorothy Dunnett, the arch-villain [[spoiler: Gabriel has a relationship with his sister Joleta]].
* In the ''Literature/VorkosiganSaga'', Richars attempts this on a 12-year-old Lady Donna.
* Common in the AlexDelaware novels by JonathanKellerman.
* In MercedesLackey and James Mallory's ''Literature/TheObsidianTrilogy'', Demon Queen Savilla and her son Zyperis frequently engage in sexual activity and express how attractive they find each other.
* Matthew Lewis both plays it straight and subverts it in ''Literature/TheMonk''. Played straight when the title character, Ambrosio, driven by his lust for the innocent Antonia [[spoiler: tries and fails to seduce her [[MoralEventHorizon then he rapes and kills her]]. The Devil was after his soul.]] Subverted when he learns [[spoiler: to his horror that Antonia was his ''long lost [[BrotherSisterIncest younger sister]].'' It's too late by that point because the Devil had convinced Ambrosio to sell his soul to him in order to escape punishment for Antonia's rape and murder.]]
* RobinMcKinley's ''Deerskin'' is built on this trope. When his wife dies, he promises to only marry someone as beautiful as she. Should have included a "kin excluded" clause. The rest is nothing short of mortifying.
* In ''[[Literature/GarrettPI Red Iron Nights]]'', the serial-killer curse was created by a long-ago evil sorcerer who'd been rejected by an equally-evil sorceress, in favor of her own father.
* [[Literature/TalesOfKolmar Marik of Gundar]] never actually has sex with his long-lost (heroic) daughter, but he's not above seducing her into thinking him harmless and attractive with the help of demon-made charms. She doesn't know he's her father at the time, but he definitely thinks it's possible and doesn't even hesitate.
* In ''Literature/{{Dracula}}'' by Bram Stoker, the eponymous vampire has three companions called "sisters": one blonde and two brunettes. The two brunette vampires are described as having facial features similar to Count Dracula. Meanwhile, the blonde bride is described as having authority over the other two. Many readers have speculated that the blonde bride is the mother of the two brunettes, and that Dracula is the father.
* In ''ElricOfMelnibone'', the EvilPrince Yyrkoon is described as "openly lusting after his sister Cymoril." Apparently it's [[JustifiedTrope justified]] (among other things) by norms that allow incestuous royal marriages, but even the decadent Melniboneans feel it's slightly wrong for Yyrkoon to look forward to marrying his sister. Cymoril is also a LoveInterest for Elric, and though Elric and Cymoril are [[KissingCousins cousins]], this is not presented as wrong.
[[/folder]]

[[folder: Live Action TV ]]

* Brother Justin from ''{{Carnivale}}'' and his sister Iris have a very, er, ''close'' relationship with each other. And did we mention he's father of the AntiChrist?
** And ''then'' [[spoiler: it turns out that Sofie, the Crowe's new maid -- after they lost the last three to, er, Justin -- is actually his long-lost daughter. Which, through a convoluted series of events, only Iris actually realizes, and, despite Justin being all over the girl, hasn't actually told anyone yet.]]
* ''{{The X-Files}}'' episode "Home."
* ''Series/{{Battlestar Galactica|Reimagined}}'': After erasing her true memories, [[spoiler:John Cavil]] knowingly fraks the scientist who considers herself his mother and created him in the image of her father for extra {{squick}}.
* ''TheLeagueOfGentlemen''. Although it's not revealed until partway through season 2 that CorruptHick {{Serial Killer}}s Tubbs and Edward are brother and sister, it doesn't really come as much of a surprise.
* ''{{Wiseguy}}''. Arms dealers Mel and Susan Profitt.
* In ''{{House of Cards}},'' it's subtly hinted that Francis Urquhart secretly wants to do this. After the elderly Urquhart begins an affair with the young Mattie Storin, and she starts calling him "Daddy," he tells her, "I always wanted to be a father of daughters."
* Divia in ''Series/ForeverKnight'', a child vampire who turned her father, proposed this rather forcefully to him. His refusal involved a wooden stake.
* ''BlueHeelers'' pulls this a couple of times, one where a father '''''shoots his own daughter''''' because he wanted to keep her to himself. Another had recurring psycho Luke Darcy rape his own grandmother in his final appearance.
* On ''Series/BuffyTheVampireSlayer,'' part of Spike's back story is that he was a momma's boy when he was alive, and that after turning into a vampire he spread it to her so that she could live forever. However, [[OurSoulsAreDifferent losing her soul]] sort of made her [[CaptainObvious a less friendly person]], and she mocked him by claiming that he wanted to go "back inside," trying to seduce him. Spike was so freaked out that he staked her. The fact that she was named Anne, which is also Buffy's middle name, is not coincidental.
** A more metaphorical example in the Buffyverse would be vampires in general; Darla sired Angelus, and they were a couple (as well as villains) for several hundred years; Angelus sired Drusilla, who calls him "daddy" at one point but also "my Angel" - and they have definitely slept together; Drusilla sired Spike ... Apparently some vampires seek out people to turn into their eternal partner, but since that involves "siring" them, it could be seen as a kind of incest.
*** Spike also refers to Angel as his "grandsire" at one point. And, according to WordofGod they have slept together at least once.
* Added to William and Regan Hamleigh in the miniseries adaptation of ''ThePillarsOfTheEarth'', because apparently they weren't villainous enough already.
* In a 2010 episode of ''LawAndOrderSpecialVictimsUnit'', a pedophile maintains the perfect cover by leading an activist group that works to expose and shame known sex offenders. It's revealed at the end of the episode that his StartOfDarkness was raping his nine-year-old sister when he was a teenager.
* Jim Profit, VillainProtagonist of ''{{Profit}}'' has a sexual relationship with his mother, although she is his stepmother and they are not actually related by blood.
* Vincent/Valerie of ''{{Passions}}'', the intersexed child of Julian Crane and Eve Russell, rapes his half-sister twice, has an affair with his uncle Chad, and ''seduces his own father and becomes pregnant by him''. This last sitation prompts the immortal line, "Have your baby so I can get back to drinking," as said by Julian to his child/lover as Vincent delivers their offspring.
* ''Series/GameOfThrones'': Twins Cersei and Jamie Lannister's sexual relationship is at the heart of much of the plot.
* On ''TheBorgias'': there is a lot of IncestSubtext between Cesare and Lucrezia, but it's treated more as pure love than sexual chemistry. That said, Cesare is most definitely a VillainProtagonist, and his obsession with Lucrezia has led him to murder once already.
* The evil Earth-2 version of Clark on ''{{Smallville}}'' (in a universe in which he was found and raised by Lionel Luthor instead of the Kents) has a sexual relationship with his adoptive sister Tess. Although it's a case of [[NotBloodSiblings Not Blood Siblings]], they were raised together since birth and he refers to her as "sis."

[[/folder]]

[[folder: Role Playing Games ]]

* The ''DungeonsAndDragons'' supplement the '''Book of Vile Darkness''' introduces the HornyDevil Fierna the Lord of the Fourth Layer of the Nine Hells and her father, the former ruler of the Fourth, Belial. Their relationship has continued into the Fourth Edition.
** Zaiden, the most powerful cleric to the demon lord Yeenoghu, murdered her mother and took her father as her mate. At least for a little while. When she got bored of him she killed him too.
* In ''TabletopGame/VampireTheMasquerade'', one of the 13 vampire clans are the Giovanni. In addition to being necrophiliac {{Necromancer}}s and members of TheMafia, they are also one big extended family...and really, ''really'' dedicated to "keeping it in the family".
** Then there are the spiritual descendants, the Sangiovanni bloodline, in ''[[VampireTheRequiem Requiem]]'', who are just as devoted to necromancy, necrophilia, and inbreeding.
* ''KaraNoShoujo.'' The overall attitude isn't that the incest is inherently wrong (though there is no sexual tension with the protagonists little sister) but that only the mentally unstable would do such a thing.
[[/folder]]

[[folder:Theatre]]

* Antiochus and his (unnamed) daughter in ''[[Creator/WilliamShakespeare Pericles]]''. [[VillainBall For some reason]], her EngagementChallenge is a riddle whose answer is "Antiochus and his daughter are committing incest." They receive a KarmicDeath when Apollo blows them up.
** Not a conventional Engagement Challenge, though - they're usually honoured even when they're meant to be impossible, but Antiochus hasn't the slightest intention of honouring this one. The terms of the challenge mean that getting it wrong equals death, but it's made very clear that, for the sake of the king's own safety, getting it right ALSO equals death.
* Shakespeare's ''Theatre/RichardIII'' plans to secure himself on the throne by marrying his niece (the daughter of Richard's brother, King Edward IV). In the play, he has his wife killed so that he can do so, although in history she seems to have died of natural causes.
* In ''Theatre/{{Hamlet}}'', the primary villain Claudius marries Gertrude, his brother's widow. While this is perfectly acceptable and even expected in some cultures, some Renaissance Europeans believed married couples to truly be one flesh, and therefore considered siblings-in-law to be equivalent to full siblings, and saw this as incestuous.
** Not that this stopped e. g. Henry VIII from marrying the widow of his brother Arthur with the Catholic Church's assent.

[[/folder]]

[[folder: Web Comics ]]

* Thomas, Nicole's dad in ''{{Concession}}'' is a supervillain, he also regularly has sex with his son. Though in a strange case the comic shows this as if it's a ''[[{{Squick}} positive]]'' thing.
* In ''FeyWinds'', two members of [[BigBad Sigurd's]] Minionz, Hansel and Gretel apply.
-->'''Sidney:''' Are you two married or [[BrotherSisterIncest brother and sister]]!?
-->'''Hansel and Gretel:''' [[MathematiciansAnswer Yes!]]
* Yet another rape trope for Drip in ''Webcomic/{{Jack}}''. The AnthropomorphicPersonification of lust is being punished for his sins in part having to pleasure his grandmother the way he did "when [he was] little." {{Squick}}.
** Later, it's revealed that [[spoiler: Drip had sex with his daughter Lita]]. He knew the relation, she didn't.
[[/folder]]

[[folder: WebOriginal]]
* In ''WebVideo/FriendshipIsWitchcraft'', [[spoiler: [[WesternAnimation/MyLittlePonyFriendshipIsMagic Twilight Sparkle]]]] cements her place as the BigBad of the series by sabotaging her brother's wedding, imprisoning his fiancee in a cave and leaving her to die, and [[spoiler: marrying her brother herself.]] She tries to justify her crush [[spoiler: and marriage]] to her brother by saying they are NotBloodSiblings. It's still pretty creepy. And before anyone asks, by all appearances her brother has been brainwashed into going along with it.
[[/folder]]

[[folder: Video Games ]]

* Done by the VillainProtagonist of ''{{Gibo}}'' during the plot, and has an ending devoted to this.
* Suggested to have happened between [[spoiler:Lord Irving and his sister]] in ''VideoGame/WildArms2'', and she wasn't exactly consenting to it, either.
* Shinji Matou of ''VisualNovel/FateStayNight'' has repeatedly raped his [[spoiler:adopted]] sister, Sakura. In one of the game's routes, this [[TheDogBitesBack comes back to haunt him in a big way]].
* The residents of Andale in ''VideoGame/{{Fallout 3}}''. It [[CrapsackWorld says a lot about the world of Fallout]] that the incestuous family tree ''isn't'' the [[TownWithADarkSecret town's Dark Secret]].
* ''VideoGame/BlazBlue'' resident {{jerkass}} Jin Kisaragi has so much creepy HoYay subtext with his brother, Ragna The Bloodedge that it strains the limits of a T-rated game. And if that's not enough, his theme music is titled "Lust Sin."
** This is made fun of a lot in the games' story mode.
** And then in Ragna's ending, [[spoiler:there's v-13, a clone of his sister, penetrating him with a sword with all sorts of suggestive dialogue.]]
* One of the major villains in ''[[VideoGame/FirstEncounterAssaultRecon F.E.A.R.]]'', Harlan Wade, plays the EvilutionaryBiologist and donates his own DNA (along with that of others) for use in impregnating his own daughter in hopes of producing children with powerful psychic abilities. Another villain, Aristide, calls this development 'sick'.
* Heavily implied between the [[{{Twincest}} twins]] Alexia and Alfred Ashford, antagonists of ''VideoGame/ResidentEvilCodeVeronica'', especially on Alfred's part.
* Heavily implied between the antagonists, the Scissortwins, and the BigBad Dick Hamilton to both his daughter Nancy and granddaughter, the protagonist Alyssa (who looks like her mother), in ''VideoGame/ClockTower 3''.
* [[spoiler:Warden Darling]] in ''HouseOfTheDead: OVERKILL''.
* ''[[VideoGame/FireEmblemJugdral Fire Emblem Genealogy of the Holy War]]'', has this. [[AntiVillain Alvis]] and his half sister Diadora. In fact its a major point in the BigBad's plot to have the two marry and breed, so he could create a vessel for a Dark God. [[spoiler: ''And it happens''. To be fair, by that point not only neither knew it... but Diadora was BrainwashedAndCrazy. Alvis ''did'' find out eventually, but he'd gone through such a TraumaCongaLine by that point that he was far beyond caring. (And their Dark God Vessel Kid was already born, with his twin sister as the inheritor of ''another'' bloodline and on the side of good.)]]
** OTOH, other incestuous relationships aren't seen in '''such''' bad light. Lachesis was in UnrequitedLove with her half-brother Eltoshan, whereas Claud and Sylvia are hinted to be either long lost siblings or distant cousins, and they were all good guys. In the second generation Lester and Lana can marry their cousins Patty and Faval (with the bonus that their moms, Aideen and Briggid, were ''identical twin sisters''), while Lakche is one of the most likely suitors for her half-cousin Shanan ''and'' [[GenerationXerox Lachesis' daughter Nanna can potentially marry Eltoshan's son Aless]] (which is actually how the player gets in-game confirmation of how Lachesis really felt about Eltoshian), and they're all on the side of good too.
* ''VideoGame/CityOfHeroes'': Tyrant and Dominatrix ({{Evil Counterpart}}s to Statesman and Ms. Liberty) had [[ParentalIncest Grandparental Incest]] behind the development team's back. It has since been {{Ret Con}}ned out of the story, after it was pointed out.
** It was vaguely hinted at to be happening - largely for {{Squick}} reasons - back when the [[MirrorUniverse Praetorians]] were simply {{Evil Counterpart}}s to the signature heroes. Now that they're [[GreyAndGrayMorality morally ambiguous]] and important characters in their own right, it would be out of place.
* Used in ''VideoGame/AssassinsCreedII'', which repeats its [[VideoGame/AssassinsCreedI predecessor's]] habit of giving each assassination target a KickTheDog moment just to reassure you it's okay to kill them. This is one of the black marks against the BigBad Rodrigo Borgia, who is implied to have a sexual relationship with his daughter. Confirmed in [[VideoGame/AssassinsCreedBrotherhood the sequel,]] with the villainy extended to his son, Cesare.
* In ''VideoGame/AssassinsCreedBrotherhood'' Cesare and Lucrezia, the game even opens up with them kissing during the assault on the Assassin's compound. When Cesare is arrested for his crimes, one of them listed is incest.
* ''VideoGame/NoMoreHeroes'': At the end of the game, Travis (a very ''dark'' {{antihero}}, borderline VillainProtagonist [[spoiler:until CharacterDevelopment kicks in towards the end and [[NoMoreHeroes2DesperateStruggle in the sequel]]]]) discovers that [[spoiler:Jeane (the FinalBoss, [[NamesTheSame not his]] [[MoralityPet pet cat]]), the girl he's been searching for and was once romantically involved with is [[BrotherSisterIncest his half-sister]]. Travis is as {{squick}}ed out as the player is. Jeane, on the other hand, doesn't seem to mind that it happened. In the end, [[DeathEqualsRedemption the two reconcile right before Travis kills Jeane.]]]]
* In the InteractiveFiction story ''Videogame/{{Anchorhead}}'' this is the dark secret of [[spoiler: your husband's family]].
* In ''[[VideoGame/RivalSchools Project Justice]]'', [[SmugSnake Kurow Kirishima]] [[UnrequitedLove onesidedly lusts]] after his beautiful older sister [[LadyOfWar Yurika]]. Made even more obvious in the Darkside Student Council path which is fron Kurow's POV [[spoiler: and in the ending, when Kurow caresses his [[BrainwashedAndCrazy brainwashed-into-subservience-to-him]] sister's hair...]]

[[/folder]]

[[folder: Western Animation ]]

* Jackal from ''WesternAnimation/{{Gargoyles}}'', along with his sister Hyena, is one of the most ridiculously AxCrazy characters in the Disney canon. However, when Hyena falls in love with HumongousMecha Coyote, he seems to find it a little more reprehensible than just a normal big brother would, especially considering it's nothing worse than what he's done, and comes off much more as a jealous StalkerWithACrush. He later got most of his body replaced with cyborg parts, and they end up in a pretty sick love triangle for most of the series.
* ''ReBoot'': While Megabyte's attempt to marry Dot may not seem like incest at first glance, it counts if you understand his origin. He was "born" from an explosion triggered by an experiment [[GoneHorriblyWrong gone wrong]] made by Wellman Matrix (Dot's father), so technically he is Megabyte's father as well. Megabyte even calls the nullified Wellman "father" and Hexadecimal (Megabyte's sister) calls Dot her sister late in the series. So Megabyte marrying Dot falls under this trope.
* ''WesternAnimation/YoungJustice'' [[PlayedWith Plays With]] this trope [[PlayedForLaughs for laughs]]--{{Superboy}} and [[NaiveNewcomer Miss Martian]] go undercover as a pair of villainous siblings, though in reality they're {{Love Interest}}s. When they have their BigDamnKiss at the end while still in disguise, [[EvenEvilHasStandards actual villain]] [[AnIcePerson Icicle Jr.]] [[SubvertedTrope is horrified]].
--> Dude, she's your ''sister!''
[[/folder]]


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