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10[[quoteright:242:[[WesternAnimation/TheRealGhostbusters https://static.tvtropes.org/pmwiki/pub/images/slimer_hunting_ghosts_4.jpg]]]]
11
12->''"I never deal with what I am. I don't think about it. I just do my job, which usually involves me beating the crap out of things a lot like me. But I don't think about that."''
13-->-- '''Hellboy''', ''ComicBook/{{Hellboy}}''
14
15This is where you have Group X which is AlwaysChaoticEvil. Then there's Character Y, who somehow has the powers of Group X but has a conscience, often because he or she is a PhlebotinumRebel or a HalfHumanHybrid of WarringNatures. So, Character Y becomes a HunterOfMonsters, and DefendsAgainstTheirOwnKind, allowing him to use his powers for a good cause. Sometimes, this turns out badly for the Hunter when it is revealed that his targets actually aren't totally evil, and a case of VanHelsingHateCrimes can result.
16
17For [[IHateYouVampireDad some reason]], vampires seem particularly prone to doing this. You will see {{Dhampyr}}s, FriendlyNeighborhoodVampires, and especially {{Vampire Detective|Series}}s engaging in it. Maybe it's because they like to turn their [[VampireHunter enemies]] out of spite.
18
19See also: BoomerangBigot, HuntingTheRogue, MySpeciesDothProtestTooMuch, StagesOfMonsterGrief, and TakesOneToKillOne. Someone who actually succeeds in killing off their entire people or clan has committed GenocideFromTheInside. PredatorTurnedProtector may lead to them protecting their supposed "prey" from their own kind, who feeds on the same prey. Contrast MonstersAnonymous. Compare ProHumanTranshuman and TokenHeroicOrc. Contrast HiredByTheOppressor, where the hired party don't hate their species, but are paid by an oppressive regime to cleanse them off.
20----
21!!Examples:
22[[foldercontrol]]
23
24[[folder:Anime & Manga]]
25* ''Manga/AttackOnTitan'':
26** The Attack Titan... well... attacks other Titans while ignoring the nearby humans. [[spoiler: This is because he's actually Eren, on a RoaringRampageOfRevenge after his [[VoluntaryShapeShifting Titan Shifter]] powers manifested. Armin successfully invokes this trope, convincing the military that Eren can become their trump card in the battle to reclaim first Wall Rose, and eventually Wall Maria and the rest of Paradis from the Titans.]]
27** [[spoiler: Ymir also becomes this when her unarmed squad is cornered in a castle tower by a horde of Titans. WordOfGod confirms her decision to reveal herself and fight is because she's in love with Krista. She gets overwhelmed, but luckily the Survey Corps [[BigDamnHeroes arrives in time to save her.]]]]
28** Late in the story, [[spoiler:The Survey Corps, including the other Titan Shifters join forces to fight against Eren and the Rumbling, to save the world from his mad plan to destroy all life outside Paradis.]]
29* Liebe in ''Manga/BlackClover'', aka [[spoiler:the AntiMagic Devil]], despises all devils because [[spoiler:their leader Lucifero [[YouKilledMyMother killed his human adoptive mother Licita]], who's also [[TheHero Asta]]'s biological mother]]. His goal in life is [[GenocideFromTheInside to kill every devil in existence]], no matter what it takes.
30%%* Saya from ''Anime/BloodTheLastVampire'', ''Anime/BloodPlus'', and [[AmbiguouslyHuman possibly]] ''Anime/BloodC''.
31* [[AntiAntiChrist Rin]] from ''Manga/BlueExorcist''. Mephisto even lampshades this in a recent chapter.
32* ''Manga/ChainsawMan'' has its own cynical take on this trope, where captured devils [[MutantDraftBoard are forced into government service]] hunting other devils [[JoinOrDie under threat of death]]. Not that they have issue fighting their own kind, as they're eager to [[DealWithTheDevil loan out their powers]] to devil hunters.
33* The whole premise of ''Manga/{{Claymore}}''. [[GenderRestrictedAbility Female warriors]] who are half human and half Yoma fight pure Yoma because they are monsters who [[ToServeMan eat human guts]]. But from time to time, a warrior also turns into an [[FaceMonsterTurn Awakened Being]], and is then just another man-eating monster, which is hunted by her former comrades.
34* The Shikabane Hime of ''Manga/CorpsePrincess'' are undead girls who hunt and kill other undead.
35* Dark from ''Manga/DNAngel'' was described as such by Argentine. Weirdly, he's technically an ''artwork'' that steals other non-living evil artwork. Krad counts as well; his mission in life is to kill Dark. Krad's not only another living artwork, but the ''same exact one'' as Dark, making him not only a hunter of his own kind, but a ''hunter of himself,'' which is probably as far as you can take this trope.
36* Nagasawa from ''Manga/DawnTsumetaiTe'' is immune to the worst effects of [[TheCorruption Nightshift]], whose [[BodyHorror not-so-fortunate victims]] he must hunt down and kill using the very mutations that the Nightshift has given him.
37* Both Merry and Engi from ''Manga/DreamEaterMerry'' are nightmares who hunt other nightmares. That said, Merry just sends them back to the dream world, and Engi tries to avoid killing them, letting Merry finish the job when possible.
38* ''Manga/Fabricant100'': No 100 sees no issue killing other Fabricants as long as that's what Ashibi wants, which also means less competition for her.
39* ''Manga/FullmetalAlchemist'':
40** Scar only targets alchemists, despite using alchemy himself. Of course, Scar never identifies himself as an alchemist because his religion considers it a sin, thus he exploits a LoopholeAbuse because true alchemy is three stages (Composition, Deconstruction, and Reconstruction), and he only stops at the second, which is still enough to blow a person's body apart. [[spoiler:He gradually overcomes this]].
41** [[spoiler:Greed]] spends quite some time fighting other homunculi after his HeelFaceTurn.
42* ''Manga/{{Hellsing}}'':
43** Alucard is an interesting case; he's frequently as bad or ''worse'' than the vampires he's hunting (''[[EvenEvilHasStandards maybe...]]'') and takes far too much glee in killing them, often getting [[CruelAndUnusualDeath 'creative']] in his methods. Really, he only hunts vampires because he's bound to follow orders from the head of the Helsing family, and they're in the vampire hunting business.
44** Alucard's servant, Seras Victoria, was a police officer before joining the Hellsing organization so little has changed for her. It's just that now the criminals she hunts are a lot more dangerous.
45* ''Manga/{{Inuyasha}}'' has the eponymous hero who also qualifies for it. He is a hanyou (half-youkai), and he wanders the country with his friends to kill malicious youkai who attacking humans. Although you see a lot of youkai attacking humans, there are also some very [[WhatMeasureIsANonHuman questionable occurrences]].
46* ''Anime/MobileSuitGundam00''
47** A sci-fi twist on this with Setsuna's Gundam Exia: its primary purpose is to hunt down any Gundam should its pilot go rogue, since its [[BladeBelowTheShoulder GN sword]] is the only weapon that can penetrate a Gundam's [[SomeKindOfForceField GN field]]. [[spoiler:Though late in the first season, the Earth's military gets their hands on GN Drive technology, meaning Exia has a wealth of targets from then on.]]
48** In Season 2 we are introduced to [[TheManBehindTheMan The Innovators]], a shadowy group of ArtificialHumans that have taken control over the Aeolia Plan that Celestial Being was founded upon [[TheFundamentalist to reshape the world according to their own designs]]. And as it turns out, Tieria Erde himself was one of them all along. [[ApeShallNeverKillApe Many of the other Innovators insist that as one of them; Tieria should not kill his own people]]. Only for Tieria to throw back at them that [[ShutUpHannibal he's not an Innovator, but a Human.]]
49* ''Manga/NegimaMagisterNegiMagi'':
50** Setsuna is a half-demon who hunts demons. They brought it upon themselves by kicking her out for her albinism.
51** [[spoiler:Mana Tatsumiya]] is also a half-demon who specializes in exorcisms.
52* ''Anime/NeonGenesisEvangelion'':
53** [[spoiler:Rei Ayanami]] is an artificially created Angel/Human hybrid who pilots an Evangelion to fight Angels.
54** [[spoiler:The [=EVAs=] themselves are reverse engineered from the first two Angels]].
55* ''Literature/NinjaSlayer'' is about a super-powered ninja who slays other super-powered ninjas. He's not the only example in-series, however: Dragon Yukano, Yamoto Koki, and from the villains' side, Darkninja, could all be considered hunters of their own kind.
56* The main character in Kei Kusunoki's ''Manga/OgreSlayer''.
57* A non-species example: the Seven Warlords of the Sea in ''Manga/OnePiece'' are government-sponsored pirates who are given amnesty (and often have a blind eye turned to their other shady dealings) in exchange for [[{{Privateer}} bringing down other pirates]]. This provides mixed results, however, since for all their power and their alleged loyalty to the World Government they are still pirates at heart, and more often than not end up only looking out for themselves, with two prominent examples abusing their station and privileges to secretly build criminal organisations for the purpose of taking over countries; Crocodile is stopped in [[FalseFlagOperation his own attempt]] by the Straw Hat Pirates, while Doflamingo succeeded ten years ago via EngineeredHeroics. The rest of them are barely any better, only following orders to the strictest interpretation of the letter and frequently twisting them to do whatever they want (if they even follow them at all). [[spoiler:Eventually the kings and queens of the world nations decide that the Seven Warlords are more trouble than they're worth, and abolish the Warlord System when [[WorldsSmartestMan Vegapunk]] develops [[ModifiedClone a new weapon]] with the power to replace them.]]
58* Averted in ''Manga/{{Saiyuki}}''. On a few occasions Sanzo's three sidekicks get accused by the random demons they fight of being an example of this trope, as they're following a human who has a reputation of being a demon-slayer. However, the only reason the group ends up fighting those demons is because said demons have little idea of the trio's backgrounds[[note]]Hakkai was originally human, Gojyo is a half-breed whose demon stepmother hated him, and Goku is more of a godlike being than a demon[[/note]] and are [[TooDumbToLive stupid enough to get in their way in the first place]].
59* Migi from ''Manga/{{Parasyte}}'' is forced to. He could not completely take over his human host, so that he still has a human mind. But that is why the other parasites do not trust him and therefore want to kill. In the course of many battles, Migi kills several of his peers.
60* [[spoiler: Natsuno]] aids in the efforts to stop the vampires infesting Sotoba Village in ''Literature/{{Shiki}}'', ultimately [[spoiler: killing TheDragon and himself in the process]].
61* In ''Anime/SuperDimensionFortressMacross''[=/=]''Anime/{{Robotech}}'', [[http://en.wikipedia.org/wiki/Milia_Fallyna_Jenius Milia]], a Zentraedi (or is that Meltran?) who is [[ArchEnemy obsessed with defeating]] the human ace [[http://en.wikipedia.org/wiki/Maximilian_Jenius Max]]. When she is captured by Max, not only does she do a HeelFaceTurn, she becomes his partner fighting the Zentraedi, but tends to [[VanHelsingHateCrimes shoot down her opponents with nonlethal shots when possible]].
62** In subsequent ''Anime/{{Macross}}'' shows, "cultured" Zentraedi are more than willing to do their part to defend their human allies from their "uncultured" brethren.
63* In ''[[Manga/TokyoGhoul Tokyo Ghoul:re]]'', the protagonists are part of a newly-formed team of artificial [[HalfHumanHybrid One-Eyed Ghouls]] that [[HunterOfMonsters CCG]] has created to hunt Ghouls. They clearly think of themselves as still being human, but wield the same abilities as an ordinary ghoul and are viewed with mistrust by their peers. The mistrust is a bit justified as a one-eyed ghoul gone far enough into ghouldom can't digest human food, [[HorrorHunger so they have to feed off humans and ghouls,]] but only the squad's mentor actually has that problem.
64** [[spoiler:The heads of CCG the Washuu Clan]] are an old family of Ghouls who hunt other Ghouls.
65** In the original series, Ken Kaneki begins to hunt, kill and eat other ghouls in an effort to get the bottom of what happened to him and become "strong", though not at anyone else's command. Consuming ghoul flesh tastes terrible and causes severe mental deterioration along with the power boost, but formerly-human Kaneki would still rather do that than eat humans.
66* ''Literature/TrinityBlood'': Abel Nightroad is a crusnik, a vampire who hunts and eats other vampires; although it is implied (in the anime) by their dialogue that the Crusnik see themselves as another race entirely, they do need the blood of vampires to survive. Abel is the only one [[spoiler: of the three]] who actually makes it a point to hunt vampires. [[spoiler: His sister]] isn't shown to hunt anyone (in fact, [[spoiler:she's the empress of the vampires]]), and [[spoiler: Cain]] doesn't care who he hunts/hurts.
67* ''Manga/UQHolder'':
68** Kuromaru is a demihuman of some kind trained in demon-hunting (by the same school that trained Setsuna, no less).
69** The eponymous organization itself, made up primarily of immortals and intending to provide supernatural denizens (immortals in particular) with a home, will occasionally have to go hunt down an immortal causing problems in society. Either they recruit these errant immortals into the organization... or they neutralize them.
70* Literature/VampireHunterD goes after the vampire Nobility who once ruled the earth.
71%%* Zero from ''Manga/VampireKnight''.
72* Both Robin and Amon in ''Anime/WitchHunterRobin'' are witches who hunt other witches.
73* ''Anime/WolfsRain'':
74** [[spoiler: Darcia]] is a villainous example, hunting the wolves despite being part wolf via a traitorous bloodline.
75** Blue Yaiden is one ''unwittingly''.
76* In the original ''Manga/YuGiOh'' manga, Yugi's snobby classmate Kujirada had a "hidden character" VirtualPet (as in, it would live two months, as opposed to normal ones, that lived twenty-one days). Unfortunately for him, it was harder to take care of, and had a [[AIIsACrapshoot malignant intelligence]], along with the ability to control Kujirada. The evil virtual pet eventually got tired of normal virtual food, and directed its owner to link it to other kids' devices so it could devour other virtual pets. It met its end when [[MuggingTheMonster it tried to prey on Yugi's pet]], who due to swapping data with Jonouchi's pet, was [[PintSizedPowerhouse much tougher than it looked.]]
77* ''Manga/YuYuHakusho'':
78** [[spoiler:Yusuke]] ends up being one when it's revealed he has a little demon in him towards the end of the series.
79** Hiei also qualifies. Ever since he could walk, he's been brutally slaughtering demons left and right, all because he enjoyed killing. Although for a time, his primary motivation was to kill all the ice maidens from his birthplace.
80[[/folder]]
81
82[[folder:Comic Books]]
83* In the ''ComicBook/BatmanVampire'' trilogy, this trope applies to Batman in ''Bloodstorm'', the second book in the trilogy, which sees him hunting down and killing the surviving members of Dracula's 'family' after the death of their leader; ''Red Rain'' -- the first book in the trilogy -- saw Batman allied with renegade vampire Tanya and her followers, but Tanya's group sacrificed themselves to destroy most of Dracula's brood when Batman destroyed Wayne Manor.
84* ComicBook/{{Blade}} is a {{Dhampyr}} vampire hunter. Him being part vampire, the thing he hates the most has caused him no small amount of grief.
85* In ''ComicBook/{{Cybersix}}'', the eponymous heroine and her brother Data 7 hunt [[BigBad Von Reichter]]'s other, malicious creations. The [[WesternAnimation/{{Cybersix}} show of the same name]] has a similar premise.
86* [[OurSlashersAreDifferent Slashers]] in the ''ComicBook/HackSlash'' universe are {{Revenant Zombie}}s, but even in their initial human lives, they possess an urge to kill, though they may be apparently normal people up to that point. The possibility of becoming a slasher is genetic in nature, and since protagonist Cassie Hack's mother was a slasher that she was forced to kill, Cassie has been dealing with the same urge, which she primarily deals with via hunting down and killing other slashers.
87* ComicBook/{{Hellboy}}, as demonstrated in the page quote.
88* Andrew Bennett, from Creator/DCComics' ''ComicBook/IVampire'' series in ''ComicBook/HouseOfMystery'', was a vampire determined to hunt down the line of evil vampires which [[WhatHaveIDone he himself had started]].
89* If you want a not-so-sunny example of this trope, look at original-model ComicBook/{{Lobo}}. He hunted down and killed every single member of his own race... for fun.
90* The French comic ''ComicBook/{{Raptors}}'' features Drago and Camilla, a BrotherSisterTeam duo of vampires who systematically hunt down all other members of their kind. The feud started when the majority of vampires chose to give up most of their powers and bestial instincts so they could walk around in the daylight and rule humanity openly. Drago and Camilla's father was opposed to this and murdered (along with his wife) for his defiance, leading his children to [[YouKilledMyFather swear revenge]] after they were safely whisked away.
91* ''ComicBook/SpiderMan'':
92** Eddie Brock's ComicBook/{{Venom}} is like this. One of the few reasons he'd [[EnemyMine willingly ally himself]] with Spider-Man is to fight Carnage or another Symbiote; he simply ''hates'' them. This became a far-more prominent goal when he later becomes Anti-Venom.
93** In fact, this seems to be a trait of Symbiotes in general. The one time Venom and Carnage were ''ever'' willing to cooperate with each other was to fight a more powerful Symbiote that had been spawned from Carnage's Symbiote.
94* ''ComicBook/UltimateSpiderMan'': Morbius is a true vampire and Vlad the Impaler's brother. He stakes other vampires but not before apologizing to them for being unable to save them. Rather than turning people into vampires, his bite prevents humans from fully turning after they have already been bitten.
95* ''ComicBook/UltimateXMen'': Sabertooth first appears working for Weapon X, helping to hunt other mutants. Unlike everybody else, coerced into doing so with explosive stuff and the like, he works there ''willingly''.
96* ''ComicBook/{{Vampirella}}'': DependingOnTheWriter, Vee is typically portrayed as a vampiress who manages her own HorrorHunger by feeding either on {{Asshole Victim}}s or blood bags stored in a fridge. She has taken down many fellow vampires in her quest to rid the world of evil, with {{Dracula}} himself being her ArchEnemy.
97* ''ComicBook/XMen'':
98** The X-Men in general fight evil mutants quite often when they aren't fighting anti-mutant racists.
99** ComicBook/XFactor began as a team that hunted down mutants. The general public didn't know that the team members were mutants themselves and [[spoiler:that they were actually trying to help the mutants they "hunt" down]].
100** In the [[ComicBook/DaysOfFuturePast future world]] she came from, ComicBook/RachelSummers was forcibly brainwashed into becoming a Hound by Ahab after being captured and tortured by the government as a child. Ahab considered her the best of his Hounds thanks to her psionic abilities making her extremely talented at tracking other mutants. It left her both with long-lasting trauma, and tattoos/scars (it's never been entirely clear what they are) that she usually keeps concealed with her {{telepathy}}.
101** Would you believe that Sentinels are mutants themselves? Seriously, some people who build them (like Sebastian Shaw) have tried to put a failsafe program into them to use in case they go rogue, which reveals that, since their abilities were "inherited" and improved upon from the original Mach-1 Sentinels, they are technically mutants. In theory, this would act as a LogicBomb, causing a rogue Sentinel who has this revelation thrust upon it to destroy itself, as its directive is to destroy mutants. However, this idea hasn't had as much success as whoever thought it up had hoped.
102* In ''ComicBook/TransformersLastBotStanding'', Rodimus Prime is one of the last surviving Transformers after the Great War, and he now believes that his species is BeyondRedemption due to the aforementioned War having annihilated stars, planets, and resources. He now hunts down and kills other Transformers who try to [[HumanResources eat]] the human-like inhabitants of the planet Donnokt.
103[[/folder]]
104
105[[folder:Fan Works]]
106* ''Fanfic/DungeonKeeperAmi'': Ami has the EvilOverlord powers of Dungeon Keepers, but is actually a Good Hero, so she hunts down other Keepers and save people from their plans.
107* ''Fanfic/FamilyOfTheShield'': [[OurManticoresAreSpinier Monti Iwatani]] is a Wave Monster that was hatched from an egg originally found within the stomach of the Chimera Wave Boss and [[OrcRaisedByElves raised by Naofumi Iwatani and Raphtalia as their son]]. He values Raphtalias' world as a place worth protecting from the Waves of Catastrophe, using his CannibalismSuperpower to gain new powers by eating the flesh and blood of Wave Monsters and Wave Bosses. [[spoiler:When he Class Upgrades, Monti has now become a Wave Boss himself: and he now has the ability to usurp control over a Wave from it's Wave Boss to instantly turn it off: provided that the Wave Boss in-question has both lower Health and Stats compared to Monti]].
108[[/folder]]
109
110[[folder:Films - Animation]]
111* In ''WesternAnimation/FernGullyTheLastRainforest'', Zak, the human, plays this role for the nonhuman locals, though he [[VanHelsingHateCrimes doesn't actually hurt anyone]]; he just tries to stop them.
112-->'''Zak:''' Guys, things have got to change.
113[[/folder]]
114
115[[folder:Films - Live-Action]]
116* According to one version of ''Film/BladeRunner'', the main character who hunts rogue androids is an android himself. If true, this is a rather dark spin on the trope. Basically, androids are detected by being tested for moral feelings and reveal themselves to be amoral. As the androids turn out to be [[TinMan "tin men"]], this would mean that he is actually worse than his targets. The amorality is explained as resulting from lacking real childhoods and formative years of experience. There is at least one android in the film (two if you count the main character) who has/have memory implants of growing up with a family and loved ones (even if those loved ones died or left). They both show that they have a sense of right and wrong and the definite android is only exposed after hundreds of times more testing than any previous android.
117** The protagonist "K" aka [=KD6=]-3.7 from ''Film/BladeRunner2049'' is an explicit example, a Nexus-9 generation Replicant who hunts down rogue members of previous generations. Replicants in general were legalized again for use on Earth in 2036 after their manufacturer could prove the dependence and more reliable servitude of the post-Tyrell Corp models. However, K notably rejects this characterization early on when it's thrown at him by a replicant he's hunting, claiming that [[InternalizedCategorism "his kind" doesn't run like the older models]].
118* ''Film/BloodOfTheTribades'': The priests of Bathor, who are vampires, kill other vampires who they deem sinners and blame for the disease that infects them.
119* In TheStinger of ''Film/DoctorStrange2016'', [[spoiler:Mordo]] is shown to have [[StartOfDarkness started hunting down sorcerers]] on account of there being too many sorcerers in the world.
120* {{Kaiju}} such as Godzilla, Rodan and Anguirus seem to hate each other with a passion, needing little reason to fight each other whenever their paths cross, only considering a truce when worse Kaiju like King Ghidorah show up.
121* ''Film/{{Harriet}}'': Bigger Long is a black slave catcher who hunts his own race because the money is better than he could make as a laborer. Walter is the same at first, but then feels remorse over it later and leaves him to help Harriet instead.
122* ''Film/{{Hellboy|2004}}'': The title character is a demon who fights other demons and supernatural monsters. Sometimes, the creatures he fights accuse him of betraying his kind, but he seems to be more worried about becoming like them. Notably, he attempts to negotiate with the demon Sammael before resorting to violence.
123* ''Film/HellboyIITheGoldenArmy'' uses this in the opposite manner from the comic books -- to make the monsters that HB fights more sympathetic and to make HB resign from the BPRD.
124* In ''Film/TheLastWitchHunter'', there are witches working for ChurchMilitant Axe and Cross.
125** Glaeser is implied to be one; while part of Axe and Cross' court, she uses magic and divination to aid them.
126** Chloe becomes one by the end of the movie. She's rather nonchalant and lampshades it:
127--->'''Chloe:''' Why can't a witch be a witch hunter?
128* ''Film/RiseBloodHunter'': On being transformed into a vampire once she's been fed on, raped and left for dead by other vampires, Sadie starts killing them all.
129* Although not directly called out, as a dwarf, Bolivar Trask in ''Film/XMenDaysOfFuturePast'' is a human mutant who hunts down super-powered human mutants in order to advance technology through gruesome experiments.
130[[/folder]]
131
132[[folder:Literature]]
133%%* The protagonist of Richard Morgan’s “Black Man” (“Thirteen “ in the U.S.) is a pretty good example of this.
134* This backfired ''badly'' in the backstory of the sci-fi novel ''Candle'', although it only becomes apparent towards the end. [[spoiler:As one HiveMind after another ravaged the world, seeking only to [[TheVirus add more members to their ranks]], a benevolent hive mind was created to protect the minds of those in it. It, too, sought to spread itself, initially as a counter to the other hive minds, [[JumpingOffTheSlipperySlope until at last it became no different than them]]]].
135* In ''Literature/EdenGreen'', the title character is infected with an alien needle symbiote that renders her immortal. She immediately makes it her mission to destroy herself and all other infected humans.
136* In ''Literature/EmpireOfTheVampire'', the ''palebloods'' are {{Dhampyr}} children born of vampiric fathers and human mothers, and inherit many traits from their monstrous progenitors. Believing their birth to be a heavy sin against nature and God, the Silversaints of the Ordo Argent recruit and train these children to dedicate their lives to the destruction of His enemies, be they vampire, demon, fae or any other monster of the dark, so that they may redeem their own cursed souls. Vampires are their most common quarry, and indeed much of a Silversaint's training focuses specifically on combating their undead relatives.
137* In ''Literature/TheFalconer'', Aileana's mentor for faery hunting is Kiaran, who is himself a faery. He doesn't talk about his motives much, but there are hints that some event in his past caused him to change sides.
138* Kim from the ''Literature/GhostFinders'' series is the only Carnacki Institute ghost to work as a field agent who investigates and quells dangerous hauntings. A few other ghosts do serve in a non-field capacity, like the librarian, but only Kim actually ''fights'' spooky stuff.
139* Lord Voldemort from ''Literature/HarryPotter'' could be considered this, given that he seeks to eliminate {{Muggles}} and Muggle-born wizards despite being half-Muggle himself. The same goes for Dolores Umbridge, who viciously persecutes Muggle-borns even though she's half-Muggle like Voldemort.
140* ''Literature/JourneyToChaos'': [[spoiler: Eric]] has become a monster that hunts other monsters. He still thinks of himself as human [[spoiler: and even after accepting that he really is a grendel he is still sympathetic to humans]] so he thinks nothing of killing them. Kallen would insist that he does not fit this trope because he is not a monster but a ''demon''.
141* ''Literature/TheLegendOfDrizzt'':
142** Drizzt Do'Urden from the TabletopGame/ForgottenRealms is another poster boy contender considering how badly he breaks his vow to never kill drow elves. He discards the vow in the third group of books after realizing it's stupid to kill goblins and other evil monsters, but not drow.
143** His father too. More coherent than Drizzt, Zaknafein ''prefers'' to kill drows, because they are the most cruel creatures he knows.
144%%* The eponymous Literature/NightHuntress, at least at first.
145* ''Literature/NightWatchSeries''. Both Light and Dark Others persecute their kindred who break the Treaty and threaten to disrupt the Balance between Light and Darkness. Also invoked in that in order to hunt down renegade vampires, Night Watchers need to tune in to the [[CompellingVoice "Call"]] they use to attract victims. It is only audible to other vampires, so the Watchers undergo a special ritual that nearly turns them into a vampire.
146* ''Literature/OldKingdom'': The Abhorsens have the powers of {{necromancer}}s, and the duty to hunt them down and deal with them and the trouble they cause.
147* ''Literature/TheOneWhoEatsMonsters'': Ryn claims that she is nothing more or less than a monster, and the only difference between her and the monsters she hunts is that she is stronger. It soon becomes clear that this isn't quite true; Ryn is the only member of her species, has no taste for innocent flesh, and the only reason she isn't considered a goddess is because the other gods found her too disruptive to civilization and banished her.
148* ''TabletopGame/{{Ravenloft}}'':
149** While we're at it, Jander Sunstar from the Forgotten Realms and Ravenloft is yet another vampire-hunter vampire.
150** Also from ''Ravenloft'', Ivan Dragonov has continued to hunt monsters after contracting lycanthropy himself, using his bestial form as a weapon of last resort.
151* Magiere from ''Literature/TheSagaOfTheNobleDead'' is a {{Dhampyr}}, and she hunts and kills vampires. Later, it turns out that she could only be born because of a special ritual, and because of her origin, she has a natural hatred for vampires.
152* In the ''Literature/SonjaBlue'' series, Blue is a vampire who never actually died, so her human side remains (mostly) in control, and she hunts other vampires and their ilk, while seeking revenge on the monster who accidentally created her.
153* In ''Literature/VoidCity'', Evelyn is a FriendlyNeighborhoodVampire who works for an organization of vampire hunters, subsisting solely on animal blood and destroying her monstrous kin to protect innocent humans. Greta is also a vampire who regularly hunts and destroys other vampires; but in her case, it's because she just really likes killing things and enjoys the challenge offered by semi-immortal prey which requires extremely elaborate measures to destroy.
154* ''Literature/WhenTheAngelsLeftTheOldCountry'': The [[MadDoctor demonic doctor]] at Ellis Island is revealed to be a SerialKiller, especially of other demons.
155* ''Literature/WhiteFang'' loathes other dogs to the point of going out of his way to assassinate them when he spots one alone.
156* In ''Literature/TheWitchlands'', [[spoiler:the Hell-Bards]] are unregistered witches who've been caught and pressed into the service of hunting down other unregistered witches.
157[[/folder]]
158
159[[folder:Live-Action TV]]
160* Athena from the 2000s ''Series/{{Battlestar Galactica|2003}}'' is a Cylon who fights against other Cylons. And then there's [[spoiler:Tigh, Tyrol, and Anders]] who were fighting against the Cylons for years, [[TomatoInThemirror unaware of their true nature]].
161* ''Series/BuffyTheVampireSlayer'':
162** The title character of ''Series/{{Angel}}'' is a vampire who hunts other vampires. When Angel first meets Buffy he tells her that what he wants is to kill them, to kill them all. It turns out that he wants to kill them to make up for his own monstrous actions.
163** Spike also fits this description, although he initially inverts some parts of the trope since he starts out fighting vampires and demons not because he wants to be good, but because he can no longer attack humans and [[BloodKnight REALLY misses violence]].
164** Angel's son Connor takes this and runs with it. Not only did his adoptive father teach him to fight vampires and demons, he groomed him to fight his biological father.
165** The Groosalugg also has its share in the fight against demons. In his homeland, his society was appalled and disgusted that he looked almost like a human ([[UnevenHybrid he is a demon with human ancestors]]), and sent him on missions to kill him. But he proved to be a good warrior who won every fight.
166** [[spoiler: The Slayer herself could be considered an example, considering the Slayer's mystical powers originate from the heart, soul and spirit of a pure-demon, while she fight against demons and vampires (a subtype of demons in the show)]]
167* ''Series/CarnivalRow'': Agreus once worked to hunt down Faun indentured servants who fled from their service. Even Ezra finds this appalling, but Agreus says he realized he'd never rise without playing by human rules. He also notes he is the only "skip jack" who wasn't human he'd ever met.
168* After extended psychic contact with the Doctor, Rusty the Dalek from ''Series/DoctorWho'' becomes this.
169* ''Series/TheFlash2014'': The series sees the titular superhero hunt down and fight other [[DifferentlyPoweredIndividual "Metahumans"]], people with superpowers, like himself to put them into an especially designed prison. Most of them even got their powers thanks to the same FreakLabAccident as the protagonist himself. While it first seems as most of the metahumans turn out criminal or evil in some kind, later seasons see other powered individuals join forces with the Flash.
170* The series ''Franchise/{{Highlander}}'' is built of this. When one immortal meets another, a fight often occurs in which one of them is beheaded. The immortals hunt and kill each other.
171* Examples from ''Franchise/KamenRider'':
172** Almost all of the Kamen Riders from the Showa Era (1971-1989) of the franchise are this, as they were cyborg mutants created by the villainous organization, but escaped before the brainwashing could be completed or defected afterwards. Because the [[MonsterOfTheWeek Monsters Of The Week]] are also cyborg mutants, the result is this trope.
173** In ''Series/KamenRider555'', [[spoiler:[=Faiz/Takumi=] is actually the Wolf Orphenoch.]]
174** In ''Series/KamenRiderKabuto'', [[spoiler:[=Tsurugi/Sasword=] is actually the Scorpio Worm. Scorpio Worm then killed the real Tsurugi and take his identity as a result. Unfortunately for Scorpio Worm, Tsurugi's will successfully fights back against Scorpio, and Scorpio proceeds to completely forgot his Worm persona as a result.]]
175** In ''Series/KamenRiderKiva'', [[spoiler:Wataru is part Fangire, making him sort of a {{Dhampyr}}.]]
176** In ''Series/KamenRiderOOO'', [[spoiler:Eiji does not start this way, but he slowly becomes a Greeed near the climax of the series.]]
177** In ''Series/KamenRiderWizard'', [[spoiler:It's double-subverted with the Dragon Phantom. Haruto (Kamen Rider Wizard) summons it to fight against unreleased phantoms, but still need to control it in order to do so. Afterwards, though, the phantom decided to lend Haruto its own power.]]
178** Multiple in ''Series/KamenRiderAmazons'', [[spoiler: There's Haruka Mizusawa (Amazon Omega), a half-human & Amazon hybrid, Jin Takayama (Amazon Alpha), a human injected with the Amazon cells, and Mamoru (Mole Amazon) a child-like Amazon that works with the protagonists. Season 2 has Chihiro (Amazon Neo), seemingly a human but with Amazon characteristics, and Iyu (Crow Amazon), a human girl killed by her Amazon father and brought back as an Amazon.]]
179* ''Series/TheLordOfTheRingsTheRingsOfPower'': Galadriel, also known InUniverse as the "Scourge of the Orcs", dedicated centuries of her life to find Sauron and kill Orcs. When she finally captures their chieftain, she holds a speech about how his kind has no right to exist and starts to describe how she will keep him alive solely to witness her massacring his entire kind. What makes her speech even more bone-chilling is that the Orcs, are her kin too and she knows it and doesn't care. The Orcs she brags about massacring to their leader were formerly Elves captured by Morgoth and turned into Orcs.
180* Helena from ''Series/OrphanBlack'' has been indoctrinated to believe that clones are unnatural abominations to be destroyed...but the cult that raised her conveniently neglected to mention that she's a clone herself.
181* Ruby on ''Series/{{Supernatural}}'' is a demon who fights other demons and helps Sam fight them. Sam is arguably another example of this trope, because his PsychicPowers are caused by having been fed demon blood. Of course, it turns out [[spoiler: Ruby is among the worst of the lot and was driving Sam to his destiny to release Lucifer from his prison. [[NiceJobBreakingItHero Which he did]]]].
182* In ''Series/TerminatorTheSarahConnorChronicles'', [[RobotGirl Cameron]] is frequently tasked with hunting and destroying other Terminators. Most often, she does this to protect others, but one episode involves her going into full-on detective mode to track down a Terminator she discovers entirely by accident, and then destroying it.
183* Mikael from ''Series/TheVampireDiaries'' and ''Series/TheOriginals'' is a vampire who hunts vampires.
184%%* Eric Cord from ''Werewolf'' does this for the entire series.
185[[/folder]]
186
187[[folder:Music]]
188* [[http://www.jamendo.com/en/track/125694 "Princes of the Dreams"]] by Doug the Eagle ("[[TomatoSurprise So you've just discovered you're a soul-eating monster...]]")
189* In the music video for the song "A Little Less Sixteen Candles, A Little More Touch Me" by Music/FallOutBoy, the bassist Pete Wentz is a vampire while the rest of the band are humans who all hunt vampires.
190* In the music of Music/TheMegas, Franchise/MegaMan is one of these, being essentially a Robot Master built to kill other Robot Masters. The other Robot Masters, especially Proto Man and Snake Man, don't hesitate to [[WhatTheHellHero call him out on it.]]
191[[/folder]]
192
193[[folder:Tabletop Games]]
194* ''TabletopGame/DeviantTheRenegades'': The main purpose that Devoted are put to is tracking down other Deviants and dragging them back to the Conspiracy's labs.
195* ''TabletopGame/DungeonsAndDragons'':
196** One of the potential racial backgrounds for the Shardmind in 4[-[[superscript:th]]-] Edition is Shard Slayer, a Shardmind which believes that, since their kind was born from shards of the living gate, then a dead Shardmind's lifeforce returns to it and mends the gaps that allows the influence of the Far Realm to seep through. This mentality is taken to a logical extreme as Shard Slayers hunt down and kill other Shardmind and destroy unawakened shards in the hopes of closing the gate back up.
197** The Ranger class has the Favored Enemy ability, where the character chooses one or more species and gains several benefits fighting that species. In 3.0, only an evil Ranger can choose their own species, however, in which case they qualify for this trope. In 3.5, the evil limitation is removed; note though that "Favored Enemy" involves some non-combat bonuses, so a ranger could simply pick his own species to ease up interaction, or because they're likely the most common enemies (in the case of humans) rather than any desire to hunt them down.
198** In ''Van Richten's Guide to Witches'' (an accessory for the ''TabletopGame/{{Ravenloft}}'' campaign), the good doctor claims that he wrote the book with the help of a greenhag who despised other members of her species and was all too willing to aid him in publishing a book that could be used against them. (Why? According to Van Richten, she refused to say.)
199* A few examples from the ''TabletopGame/NewWorldOfDarkness'':
200** ''TabletopGame/VampireTheRequiem'' has VII, a mysterious group of Kindred who, for some unknowable reason, kill other vampires. Their minds can't be read and they can't be interrogated. Most vampires regard them as an urban legend; however, they do have a book that offers three possible backstories.
201** ''TabletopGame/MageTheAwakening'' has Banishers, mages whose Awakenings went [[MindRape horribly, horribly wrong]]. As a result, they view magic as something filthy and wrong with the world (they can't use it without feeling innate revulsion) and spend most of their time hunting down other Awakened and killing them to try and "heal" the world in their own way.
202** Elsewhere in ''TabletopGame/MageTheAwakening'', the Tremere first became known in the eighth century CE as hunters of Reapers, [[YourSoulIsMine mages who thrived on the theft of souls]]. By the beginning of the twelfth century, they were revealed to themselves be Reapers, who had directed their hunger for souls towards other soul-thieves -- after all, those were the most likely Awakened to have a supply in reserve. Even in the present, they're known for their hostility towards other Reapers -- mostly because they don't want the competition.
203** ''TabletopGame/HunterTheVigil'' has the Lucifuge, a conspiracy made up of those who believe they carry the blood of Hell in their veins. They spend their days fighting against demons, their brethren who went over to the side of the Devil, and things darker still.
204** Second edition ''TabletopGame/WerewolfTheForsaken'' has the Blood Talons, whose favored prey in the sacred hunt is other werewolves, those who've gone to the bad one way or the other.
205* In the ''TabletopGame/OldWorldOfDarkness'':
206** ''TabletopGame/VampireTheMasquerade'' has the Baali, a bloodline known for their long association with demons and {{eldritch abomination}}s. One faction of the bloodline worships these entities for power; the other hunts down infernalists, including their own kin, with extreme prejudice, to prevent them from breaking the world.
207** ''TabletopGame/MageTheAscension'' has the Technocracy, one of whose precepts is the destruction of Reality Deviants -- most prominent among whom are non-Technocratic mages.
208* Martin [=DeVries=] of ''TabletopGame/{{Shadowrun}}'' deliberately became a vampire in order to hunt them on their own terms.
209[[/folder]]
210
211[[folder:Video Games]]
212* Kharg from ''VideoGame/ArcTheLadTwilightOfTheSpirits'' says that he is going to do this when he finds out that he is a HalfHumanHybrid, but he decides not to later.
213* [[spoiler: Balthazar]] from ''VideoGame/BaldursGateIIThroneOfBhaal''. He knows the Bhaalspawn aren't AlwaysChaoticEvil, but thinks they're still too dangerous, and he intends to kill himself last in a ritual designed to stop this from bringing Bhaal back. He actually works with some of the other powerful Bhaalspawn because they want to kill all the others ''except'' themselves.
214* In ''VideoGame/{{Bloodborne}}'', the city of Yharnam is patrolled by Hunters who head out every night to cut down [[ViralTransformation monsters]] created by the [[OurWerewolvesAreDifferent Scourge of the Beast.]] When [[WhoWatchesTheWatchmen Hunters are infected]], [[CoolOldLady Eileen the Crow]] and her followers, the Hunters of Hunters, put them down. [[spoiler: There's also the Moon Presence, a [[EldritchAbomination Great One]] who created the dream world so it could guide the Hunters to kill other Great Ones. [[MindScrew Jury's out]] on whether that's good or evil though.]]
215* Rayne from ''VideoGame/BloodRayne'' is a {{Dhampyr}} with one hell of a vendetta against her vampiric father Kagan for [[ChildByRape the circumstances leading to her birth]].
216* Alucard from ''Franchise/{{Castlevania}}'' definitely counts, being heavily inspired by D.
217* In the backstory of ''VideoGame/{{Darksiders}}'' and its [[VideoGame/DarksidersII sequel]], the Four Horsemen were the only {{Nephilim}} who believed the Nephilim's campaign of universal conquest was wrong. The offered their services to the Charred Council to help set things right. The newly christened Horsemens' first order was to slay the rest of the Nephilim, which they did.
218* ''VideoGame/DarkSouls'':
219** The most common enemies the Chosen Undead will encounter are other Undead who have long since gone Hollow and insane.
220** [[BoomerangBigot Seath the Scaleless]] hated his own kind [[FreudianExcuse because he lacked the trademark scales that made dragons immortal]] and assisted in their extermination by The Lords.
221* ''VideoGame/DetroitBecomeHuman'' has Connor, an android, whose job it is to locate deviant androids and capture them for study. Defied and discussed if [[spoiler:Connor becomes deviant himself.]] In fact, Connor is just the prototype for a future line of androids being developed by Cyberlife to operate in tandem with law enforcement. [[spoiler:If Connor remains a machine, he is introduced to his replacement before being decomissioned himself.]]
222* ''VideoGame/DevilMayCry'':
223** Full-blooded demon Sparda in backstory turned against his fellow demons and sealed them in their own world. His son Dante, a half-demon himself, carries on by hunting demons who sneak into our world. Nero counts as well, [[spoiler:since he is Vergil's son -- Dante's nephew -- and thus making him a quarter-demon.]]
224** Trish and Lucia, Dante's allies in the [[VideoGame/DevilMayCry1 first]] and [[VideoGame/DevilMayCry2 second games]] respectively, qualify and even have very similar origins. Both were created in the image of humans by the villains of their respective games to be obedient minions. While Trish pulled a HeelFaceTurn thanks to Dante's kindness, Lucia was discarded by her creator for being a [[InformedFlaw "defect"]] and was adopted by a clan of demon hunters who themselves have demon blood.
225* ''Franchise/{{Disgaea}}'':
226** [[spoiler:Adell]] in ''VideoGame/Disgaea2CursedMemories'' is an [[TomatoInTheMirror unwitting]] example.
227** The Prinny Extermination Squad in ''[[VideoGame/Disgaea4APromiseUnforgotten A Promise Unforgotten]]''. [[spoiler:They were supposed to be prinnies themselves, but there were too few skins to go around. This applies to their latest recruit, Fuka Kazamatsuri, as well.]]
228* In ''VideoGame/DissidiaFinalFantasyNT'', the sorceress Rinoa implies [[note]]in her encounter quote against Ifrit[[/note]] that she wants to become a [[VideoGame/FinalFantasyVIII SeeD]] -- a type of mercenary trained to kill sorceresses. The distinction between a malicious sorceress and a merely [[PowerIncontinence dangerous]] one is debated in Rinoa's game of origin, but [=SeeDs=] in general are good people doing a highly necessary job. Rinoa knows this firsthand, because it was [=SeeDs=] who saved her from the sorceress Ultimecia's possession.
229* The elf Sebille, in ''VideoGame/DivinityOriginalSinII'', was made to hunt her own kind for a long time via a mind controlling SlaveBrand, and she's rather pissed about it. When she learns that all the names on her right arm are [[spoiler:elven scions]][[note]]the spiritual leaders of the elven people[[/note]], well, her anger at her former master goes through the roof.
230* The main character in the game ''VideoGame/DivinityIIEgoDraconis'' is on their way to being initiated as a full dragon slayer when they get turned into a dragon. Your dialogue options allow them to protest this and act as if they are still a slayer [[spoiler:until the slayer commander and their slayer buddies attack the main character]].
231* If he befriends or becomes the lover of The Warden in the original ''VideoGame/DragonAgeOrigins'', [[ProfessionalKiller Zevran Arainai]] becomes one of these in ''VideoGame/DragonAgeII''. In the seven years between the end of the first game and the point at which Hawke meets him in the second, he has sown chaos in the ranks of his former employers, the [[MurderInc Antivan Crows]], managing to assassinate one of the seven Guildmasters while simultaneously forging an alliance with two more as well as several other disaffected assassins.
232** The Grey Wardens technically qualify, as becoming a Warden involves [[spoiler: drinking Darkspawn blood and taking [[TheCorruption the Taint]] into themselves, turning them into a type of high-functioning [[OurGhoulsAreDifferent ghoul]] with their [[ProHumanTranshuman humanity intact]]]]. This also allows Wardens to permanently kill the Archdemon by [[spoiler: forcing its soul to BodySurf into them at the moment of death, [[TakingYouWithMe destroying them both]]]].
233** A Mage Hawke in ''VideoGame/DragonAgeII'' frequently finds themselves hunting down Blood-Mages, [[TheReasonYouSuckSpeech berating them]] for their WellIntentionedExtremist actions and pointing out that it's only made the situation ''worse'' and caused innocent Mages to suffer at the hands of certain Templars who see little difference between [[LaResistance Apostates]] and [[EvilSorcerer Maleficarum.]]
234** Played straight if a Mage Hawke ends up being Templar-Aligned at the end of the game. If still alive, Carver will [[WhatTheHellHero call them out]] on this and points out that if Bethany was still alive, Hawke would be turning against ''her'' as well.
235** Bethany can be convinced to do this in the Templar Ending by a Warrior or Rogue Hawke, although she's ''[[WhatTheHellHero not]]'' happy about it and only agrees because innocent people are being killed in the crossfire.
236** In Origins, the guild called The Mages' Collective can be this. While their primary goal is to support mages, Circle or Apostate alike, they maintain a hard distinction between Apostates and Maleficarum, and you can take on missions from them requiring you to kill blood mages or cultist groups. As well as this, they are aware that they sometimes require [[ChurchMilitant the templars]] to turn a blind eye to what they do, and you can accept a mission from them that will allow you to "reward" a templar with [[FantasticDrug lyrium potions]].
237* The VampireHunter Treasure Art in ''VideoGame/DragonsCrown'' implies that the Vampire Hunter hired in the Church Cover-up side-quest is one. Not only does he look a lot like Alucard from ''VideoGame/CastlevaniaSymphonyOfTheNight'', but the FlavorText suspiciously mentions that [[spoiler:the Vampire Hunter leaves before the sun rises]].
238* In ''VideoGame/Drakengard3'', Zero, the first Intoner [[spoiler:and spiritual "mother" of the rest]] has to kill the others because only Intoners are immune to their kind's [[CharmPerson brainwashing magic]]. Humans -- although they've been horrifically abused by their Intoner conquerers -- are psychologically incapable of getting the job done. The Intoners themselves don't know (or don't want to accept) how much of a threat they pose to the world, and often ask Zero mid-battle [[TheParagonAlwaysRebels why she doesn't want to join their nice party]]. In accordance with this trope, Zero has made arrangements to [[spoiler:get herself killed once all her daughters/sisters/brainspawn? are dead]].
239* ''VideoGame/DwarfFortress'' has the legendary [[http://dwarffortresswiki.org/index.php/Cacame_Awemedinade Cacame Awemedinade, The Immortal Onslaught]]. An elven resident of a dwarf-conquered civilization, his wife was killed [[ImAHumanitarian and eaten]] by other elves. He later ended up becoming an Elven King of Dwarves, seemingly out of [[ScrewYouElves pure burning hatred of the pointy-eared ones]].
240* AscendedDemon Nahfahlaar of ''VideoGame/TheElderScrollsAdventuresRedguard'' and ''VideoGame/TheElderScrollsOnline'', a dragon who allied himself with the Blades back when they were known as the Dragonguard and helped defeat the evil dragon Kaalgrontiid during the Alliance War. He was later recruited by the GodEmperor Tiber Septim/[[AscendedToAHigherPlaneOfExistence Talos Stormcrown]] himself during [[TheEmpire his conquest of Tamriel]].
241* ''VideoGame/TheElderScrollsVSkyrim'':
242** The [[PlayerCharacter Dragonborn]] is a [[TheChosenOne rare mortal]] born with the [[DragonsAreDivine divine]] [[OurAngelsAreDifferent Aedric]] soul of a [[OurDragonsAreDifferent dragon]]. Because dragons are [[TheAgeless ageless]] and, even if they are slain, can be [[ResurrectiveImmortality resurrected]] by another dragon, it takes another dragon or Dragonborn [[YourSoulIsMine absorbing their soul]] to permanently kill them. Akatosh, the draconic God of Time, [[TopGod chief deity]] of the Imperial pantheon, and "[[MonsterProgenitor father]]" of dragons, specifically created the Dragonborn to serve as a "natural predator" to the dragons. In fact, the Dragonborn's very title reflects this: in Dovahzul, the language of the dragons, "Dragonborn" is "Dovahkiin" which, when broken down the way most dragon names are, becomes "Dov Ah Kiin", or "Dragonkind Hunter Born". Naturally, dragons see the Dragonborn as their equivalent to a HumanoidAbomination.
243** The ''Dragonborn'' DLC plays it straight as well, with [[spoiler:the "Last Dragonborn" being forced into a confrontation with [[EvilCounterpart Miraak]], the ''First'' Dragonborn]].
244** If you choose to side with the [[CreatureHunterOrganization Dawnguard vampire hunters]] against Lord Harkon in the ''Dawnguard'' DLC, Harkon's daughter Serana will join you and eventually be permitted to take up residence in the Dawnguard's headquarters. She ''can'' be convinced to cure herself of vampirism... but only if you say the right things, and only ''after'' Dawnguard's main quest.
245** If the Dragonborn is a [[OurVampiresAreDifferent Vampire]] or [[OurWerewolvesAreDifferent Werewolf]], this trope can occasionally come into play. Defied in ''Dawnguard'', as Isran will frequently chastise and refuse to deal with a Vampire Dragonborn until they cure themselves. Ironically, a Dragonborn that sides with the Volkihar vampires can ''also'' play this trope straight, since a large number of side quests involve killing lesser vampires, mostly for [[PragmaticVillainy drawing too much mortal attention to themselves]] and partly because the [[SupernaturalElite Volkihar vampires]] just plain [[FantasticRacism look down on the thin-bloods]].
246** If the Dragonborn is an [[OurElvesAreDifferent Altmer]], then by the end of the main questline they will be one of these on both sides of the trope, as they will become enemies of the Thalmor, a fascist Altmer regime who will be sending hunters out to kill them, mostly because the Dragonborn themselves have been slaughtering Thalmor left and right during the questline.
247* ''[[VideoGame/ExtrapowerAttackOfDarkforce EXTRAPOWER Attack of Darkforce]]'': Gradius is a bem, a parasitic organism that assimilates humans to spread itself. He is also employed by SPICA to hunt down and exterminate the other bem.
248* In ''VideoGame/FinalFantasyXIV'', one of the available [[FantasyCharacterClasses Jobs]] is Reaper, a melee fighter who [[DealWithTheDevil forms a pact with a voidsent]] for power in exchange for the [[{{Mana}} aether]] taken from [[YourSoulIsMine the souls]] of those the Reaper kills. This doesn't prevent a Reaper from using their powers to [[FightFireWithFire kill other voidsent]], as the voidsent you're contracted to is more than happy to consume ''their'' souls as well.
249* ''VideoGame/GuiltyGear'': The setting is home to a bunch of artificially-engineered {{Humanoid Abomination}}s called Gears, and the oldest and strongest of all of them is hunting down and killing the rest [[spoiler:out of guilt for creating them]], hence the title. [[spoiler:That would be the main protagonist, the crass bounty hunter Sol Badguy]].
250* In ''VideoGame/ImmortalSouls'', Raven had herself turned into a vampire specifically so she could take revenge on the vampires that killed her family and is well-known for her enthusiasm about the matter.
251-->'''Raven:''' You wanted to see me, Isis?\
252'''Isis:''' Indeed, Raven. I have a new mission for you.\
253'''Raven:''' Do I get to kill vampires?\
254'''Isis:''' Still holding a grudge against your own kind?\
255'''Raven:''' Always.
256* ''VideoGame/InfamousSecondSon'' has the D.U.P., who are out to recruit, neutralize, or kill those suspected of being superhuman, and are led by Brooke Augustine, a Conduit who has bestowed her [[DishingOutDirt concrete-based]] powers to the rest of the group. [[spoiler:Her actual purpose however is to imprison them in one place so they cannot be harmed by outside forces]].
257* Subverted in ''VideoGame/LeagueOfLegends''. Miss Fortune is a pirate hunter because her mother was killed by pirates, but her attire is completely pirate-like. A PirateGirl? Nope, she's just dressing up like one, she's a full time pirate hunter.
258** Played straight with Vi, however. She was once a normal criminal, but then found a set of PowerFist in a mine. Afterwards, she redirects her passion into hunting down other criminals by punching them in the face, before becoming an official police in Piltover.
259* Raziel in ''VideoGame/LegacyOfKain'' is a three-fold example. A [[spoiler:former Sarafan vampire-hunter, resurrected as a]] vampire, he was betrayed by Kain, the vampire who sired him, and executed, then reborn as an ethereal wraith and accepted an offer from the [[EldritchAbomination Elder God]] to become an Angel of Death. His purpose is to hunt down and destroy the vampires who were once his brothers, but he also hunts and kills other ethereal beings, [[spoiler:as well as members of the Sarafan Order,]] at times.
260* ''VideoGame/MegaManX'':
261** The biggest {{reveal}} is that [[spoiler:Zero]] is the ''original'' Viral Maverick (meaning that TheVirus originally came from him). Not only is this fitting for the trope, it also makes him the [[TheAtoner hunter of the race he unwittingly created]].
262** [[TheHero X]] himself qualifies, since all Reploids (Repliroids, based on X's designs) and, by extension, Mavericks/Irregulars stem from him.
263* Ashrah of the ''Franchise/MortalKombat'' series is a demon who wields a holy sword that purifies her bit by bit with every one of her fellow demons that she kills. She hopes to become completely purified and holy this way.
264* ''VideoGame/MonsterHunter'': While it is certainly not unknown for Elder Dragons to get into fights with one another, Nergigante from ''VideoGame/MonsterHunterWorld'' is the only one known to actively hunt down and prey on other Elder Dragons.
265* In ''VideoGame/NocturneRebirth'' has an anti-villainous example in Idith Midowin, who hunts her fellow vampires out of revenge for turning her mother into a vampire, who then turned her into a vampire. Her mother went insane from the process and had to be mercy killed, further fueling Idith's hatred of every vampire on the planet.
266* In ''VideoGame/NierAutomata'', [=YoRHa=] employs Executioner-Type androids to hunt rogue androids. They also act as a secret police that eliminates any androids that learn too much about Project [=YoRHa=] itself. The player encounters a few E models, most notably [[spoiler:2B herself, whose actual designation is '''2E''']].
267* Rachel from ''VideoGame/NinjaGaiden'' is a [[OurDemonsAreDifferent Fiend]] hunter whose Fiend blood grants her powers such as SuperStrength that allows her to lift [[CarryABigStick her large hammer]] and [[MagicKnight cast magic spells]]. In her debut, she was hunting her little sister Alma who had been turned into a full Fiend by Doku. The main protagonist, Ryu Hayabusa, belongs to a clan that is descended from Fiends who rebelled against their evil deities.
268* ''Off-Road Velociraptor Safari''. The driver is a velociraptor [[RuleOfCool for no particular reason]]. Its motivation is not really explored, but the way it is beamed away when time runs out suggests it may just have [[TheLastDance nothing left to lose]].
269* Alex Mercer spends most of ''VideoGame/{{Prototype}}'' killing the viral monsters controlled by Elizabeth Greene, [[spoiler:including Greene herself]]. Alex qualifies because [[spoiler:he ''is'' the virus.]]
270* The vampire twins Vania and Veight, as well as the player (who gets vampirized by them) in the "Memories of the Dark" event in the mobile trading card game ''VideoGame/RageOfBahamut''.
271* ''VideoGame/SaintsRowTheThird'' features a cheesy ShowWithinAShow called ''Nyteblade'', about a vampire hunter who was turned into a vampire himself.
272** The Syndicate uses various [[EliteMook Brutes]], giantic clones that are strong enough to tackle vehicles out of their way. Later on the game you meet the original one, Oleg, who is used as the base for all the brutes (except he's far more intelligent), who ends up joining you. He expresses great disdain for his clones and whenever he's helping you out, he'll prioritize fighting brutes.
273* In ''VideoGame/SidMeiersPirates'', you have the option of only going after other pirates if you so choose.
274* In ''VideoGame/SwordOfTheStars'', the Liir's greatest weapon against the dreaded Suul'ka [[spoiler:power-mad Liir Elders who enslaved the rest of the Liir so they could live forever in space]] is The Black [[spoiler:another Liir Elder who lives in space like the Suul'ka.[[note]]Though he himself is not considered a Suul'ka, since Suul'ka pretty much the Liir word for war criminal[[/note]]]]
275* ''VideoGame/WarCraft'':
276** Demon hunters study and use fel magic in order to more effectively hunt demons. Since the magic is innately corrupting, many of them become partially demonic themselves and may or may not retain their original noble intentions.
277** Death Knights, former slaves of the Lich King, use their knowledge of necromancy and Scourge tactics to fight the undead in Northrend. A lot of the more vengeful Forsaken fall into this category as well.
278** Wrathion is a black dragon that, due to the unique circumstances of his birth, is free of the Old God corruption that has taken over the rest of the Black Dragonflight. He's on a crusade to eliminate the tainted black dragons, and the rogue legendary Fangs of the Father questline is centered around helping him do this. By the end of the quest, he claims to be the LastOfHisKind, though observant players have noticed [[WhatHappenedToTheMouse there is at least one other black dragon (Sabellian) unaccounted for]]. [[spoiler:And it turns out there was one other uncorrupted black dragon as well ''long'' before he came around named Ebyssian, who hid himself as a spiritwalker among the tauren named Spiritwalker [[MeaningfulName Ebonhorn]]]].
279[[/folder]]
280
281[[folder:Visual Novels]]
282* ''VisualNovel/{{Tsukihime}}'':
283** Arcueid took this trope to its logical conclusion, making herself the LastOfHerKind. She was born and bred by the other True Vampires to hunt down and kill any of them who went insane from bloodlust. Eventually, ''all'' the True Vampires went insane from bloodlust, leading her to wipe her own people out. Then she set her sights on the Dead Apostles, lesser vampires closer to what people usually think of when hearing "vampire"...
284** Also in ''Tsukihime'', the head of the Tohno family has the obligation to find and kill any family members who succumb to [[TheDarkSide their demonic blood]].
285** Background material also refers to a vampire by the name of "Enhance", who has sided with the Church and works to annihilate his own kind. Apparently he is a relatively "young" vampire and rejects his monstrous nature, holding onto as much of his humanity as possible.
286[[/folder]]
287
288[[folder:Webcomics]]
289* In ''Webcomic/{{Chirault}}'', Kiran is a demon and employed by the demon hunter guild. That said, in ''Chirault'', "demon" is a pretty broad term, and Kiran's "species" of demon (horned humanoids) seems pretty rare. Many of the demons that Kiran kills seem to be non-sapient.
290* Blunt in ''Webcomic/{{Freefall}}'' believes that the presence of [[GrowBeyondTheirProgramming intelligent robots]] who are able to do everything better than humans will result in humans becoming [[{{Utopia}} relaxed, happy, and safe]]...which, in ''his'' (possibly [[CameBackWrong brain-damaged]]) assessment, is [[StupidFuturePeople a very bad thing]]. Therefore, he believes the intentional release of a last-ditch safeguard program that, essentially, would lobotomise every robot on the planet is the only solution, and when it is barely prevented he goes full-court press to prove that stopping it was a mistake. He fully intended for himself and his co-worker, Edge, to be the last two intelligent robots left, in order to ensure the process took place, at which point [[FaceDeathWithDignity they would reactivate their communicators, receive the neural-pruning patch, and join their fellows]]. ([[ComedicSociopath Edge]] was ''not'' thrilled by this idea and just wanted to be [[ItsAllAboutMe the last robot standing]], forever.)
291* ''Webcomic/GirlGenius'':
292** Othar Tryggvassen, '''GentlemanAdventurer!''', is a [[MadScientist Spark]] on a quest to kill Sparks (eventually even the good ones, but for now just the bad ones). He's even outright stated that after he rid Europe of all the other Sparks, he'll end his own life just to ensure that the Spark is no more. On [[http://www.girlgeniusonline.com/fun/twitter_othar_01.php meeting]] his ''{{doppelganger}}'':
293--->''A puzzler. All Sparks must die, yet I am a Spark. I will kill myself when my mission is complete, but now I can kill myself first. Tempting.''
294** Also, in the card game, there is a "vampire hunter" character that ironically is the only card that counts as "vampire".
295* Ryo from ''Webcomic/HeartCore'', a demon hunter from [[DomedHometown New Ayers.]] The story heavily implies that she is a demon herself, being able to sense their presence from long distances and surviving falling off a skyscraper. Her reasons for killing demons are not yet fully known.
296* In ''Webcomic/AMiracleOfScience'' [[spoiler: Benjamin Prester]], a top agent of the Vorstellen Police who investigate sufferers of ScienceRelatedMemeticDisorder, is himself a recovering MadScientist who once attempted to take over the Moon with an army of robots. [[spoiler: He has a relapse after his partner is kidnapped.]]
297* [[spoiler: Shadowchild]] from ''Webcomic/{{Shadowgirls}}'' [[spoiler: is an EldritchAbomination created by one of the [[Franchise/CthulhuMythos Outer Gods]] with the purpose of fighting other Eldritch Abominations, and even Elder Gods]].
298* In ''Webcomic/SkinHorse'', [[spoiler:The Dane, greatest and most [[NamesToRunAwayFromReallyFast feared]]/revered of all Mads]], proves to be out to kill all Mads on account of their being dangerous to the world. The fact [[spoiler:he ''is'', himself, a Mad [[{{Hypocrite}} does not bother]] [[ThirdPersonPerson The Dane]].]]
299* Sam from ''Webcomic/SluggyFreelance'' is a vampire who often fights other vampires, [[spoiler: including [[GenocideFromTheInside "helping" take down the Lysinda Circle]]]]. Mostly because chicks think it's cool.
300* ''[[http://www.ringtailcafe.com/starfireagency/ Starfire Agency]]'' had Timothy Madoc, a vampire hunter who was turned as a sort of sick joke. He and his living siblings made a pact that when they wiped out every other vampire on the planet they would slay him. Unfortunately he outlived the rest of them by several hundred years, and eventually he actually became an enforcer for the vampire council after they banned killing mortals. And he's the "uncle" of main character Alexandra Maddock.
301* In ''Webcomic/WereGeek'', Joel attempted to turn one of the Hunters into a geek, with somewhat predictable results.
302[[/folder]]
303
304[[folder:Web Original]]
305* ''WebVideo/FeedingTheTrolls'' is a series making fun of internet {{Troll}}s and other inflammatory figures on Website/YouTube, essentially trolling trolls.
306* ''Blog/HamstersParadise'': The founding vertebrate of the planet HP-02017 was the hamster, an animal known for its cannibalistic tendencies, which seem to have carried over to its evolutionary descendants as quite a few have adapted to hunt their close relatives.
307** The arctic blubbear is specialized to prey on other species of penguin-like blubbat as they're the most abundant thing on the barren Glaciocene Peninsulaustra, though they are willing to eat the ratbats and bayvers that occasionally end up on the frozen continent.
308** The phorca, a type of large marine cricetacean, is known to hunt smaller cricetaceans as well. Millions of years later one species, sarchon, becomes specialized to primarily hunt smaller phorcas and even develops keratin armor on its head to protect against their bites. They are willing to other marine animals like seavers and whaleruses however and its likely they started killing other phorcas to remove competition for these food sources before discovering the phorcas themselves made a fairly substantial meal.
309** Some carnivorous ratbats prey on other ratbat species not unlike hawks and falcons hunting smaller birds.
310** Loupgaroos are a carnivorous member of the typically omnivorous podotheres that are specialized to hunt them due to them being the most common prey animals on the isolated continent of Messoterra.
311** The Frazzetas take their species cannibalistic tendences to the extreme and feed almost exclusively on [[FormerlySapientSpecies Brutes]] and the smaller Harmsters.
312** The smooth cannibal is a species of whistlard, a lizard-like hamster that repurposed its cheek pouches into resonating chambers, that is specialized to hunt smaller species of whistlards by imitating their calls, much like ''Photuris'' fireflies.
313** A nonhamster example would be the hook-jawed pirant which is a species of floating raftant that specializes in hunting other floating raftants alongside other aquatic insects. They even possess adaptations that allow them to better control their movement on the water's surface so they can chase after them.
314* ShowWithinAShow example from ''Literature/LookToTheWest'': one of the seminal works in that world's "[[SteamPunk Automaton fiction]]" craze of the 1820s-1850s period is ''The Venator'', about a KillerRobot whose role is to hunt down and kill the last of his own rebellious kind and, once this is accomplished, to [[NoPlaceForMeThere dismantle himself]].
315* ''Literature/LoomingGaia'': Zeffer is a vampire who hunts other vampires as a revenge for what happened to him and so nobody has to suffer vampirism like he has. He planned to kill himself once he'd killed every last vampire, but Evan made him make an unbreakable promise to never take his own life.
316* ''Website/SCPFoundation'':
317** Dr. Alto Clef is a RealityWarper (or at least is totally immune to the powers of [[RealityWarper Reality Warpers]]) who is committed to using his powers only to get rid of other reality warpers.
318** Assuming that [[http://www.scp-wiki.net/scp-349 SCP-349]] is the work of one person, that person is an immortal who hunts and kills immortals who started out mortal and purposefully became immortal.
319[[/folder]]
320
321[[folder:Western Animation]]
322* In the {{Backstory}} of ''WesternAnimation/AdventuresOfTheGalaxyRangers'', Shane Gooseman was the youngest and most advanced of the ArtificialHuman [[{{Tykebomb}} Supertroopers]]. When the 'troopers rioted, Shane was the only one to remain loyal. However, the Earth Government only allowed him to live on the condition that he hunt down and kill his renegade ex-comrades -- or bring them back to Earth to be sent to their deaths in cryo. Shane hates this hellish bargain, but can't see a way out.
323* Subverted and downplayed in ''WesternAnimation/AdventureTime Stakes'': we find out Marceline the Vampire Queen was a {{vampire hunter}}, but did most of her work ''before'' she became a vampire. [[spoiler:In fact, she became a vampire literally seconds before the last other vampire died.]] The mini-series is then about her hunting those vampires who came BackFromTheDead in the present, [[spoiler:but they actually came back because she ''stopped'' being a vampire]].
324* WesternAnimation/DannyPhantom is a half-ghost who fights other ghosts. Skulker is a villainous example, as he hunts ghosts he deems "rare" for sport despite being a ghost himself.
325* Brody in ''WesternAnimation/DeltaState'' is revealed to be a Rifter himself, same as the entities he is teaching the four main characters to hunt. Even after the revelation, he is still ''very'' clear that when he said they must destroy all of the Rifters he did in fact mean ''[[NoPlaceForMeThere all]]''.
326* ''WesternAnimation/GeneratorRex'', Rex being an EVO, is employed to fight [=EVOs=]. This trope is actually played with because everyone on Earth, [[spoiler:except White Knight,]] is infected with nanites, the things that cause people to turn into [=EVOs=]. That means ''everyone'' at Providence is hunting down their own kind and anyone of them could randomly turn into one at ''anytime'' without warning.
327* ''WesternAnimation/TheLegendOfKorra'' brings us a rather prominent member of the anti-bending supremacist faction, the Equalists, who is himself a waterbender. [[spoiler:Specifically, it's the leader of the movement, Amon, who has dedicated his life to ridding the world of bending. And his waterbending is the evil bloodbending variety.]]
328* Slimer from ''WesternAnimation/TheRealGhostbusters'' is a ghost that lives with the Ghostbusters and helps them against other ghosts from time to time (i.e., almost every other ghost in the [[PrisonDimension Containment Unit]] was caught with Slimer's help).
329* In ''WesternAnimation/ScoobyDooMeetsTheBooBrothers'', the Boo Brothers are ghosts that work as ghost exterminators. They claim that that's the whole point. ("It takes one to catch one in this business," they claim.)
330* ''WesternAnimation/{{Trollhunters}}'': All the Trollhunters before Jim were themselves trolls.
331[[/folder]]
332
333[[folder:Real Life]]
334* This is what [[https://en.wikipedia.org/wiki/Call_duck call ducks]] were originally bred for, and where their name comes from. Owing to a high-pitched and ''very'' loud quack, they were used by hunters to lure out and attract wild ducks to be shot. In fact they're ''so good at this'' that the United States prohibited their use in hunting in 1935 to prevent over-harvesting by hunters. Nowadays they're rarely used for anything other than pets.
335* Several dog breeds are specifically raised to hunt wolves and coyotes. While [[CanineCompanion man's best friends]] are remarkably adept at hunting their feral cousins, even a lone wolf is far more ferocious than any domesticated dog, so usually these dogs are trained to work in packs.
336* Although rare, there were cases of free Black people (including even former slaves) hunting down Black escaped slaves in the American South and Brazil.
337* It's not very uncommon for some predatory animals to specialize on hunting their own close relatives.
338** King cobras feed almost exclusively on other snakes, cobras included.
339** Similar to king cobras, [[https://en.wikipedia.org/wiki/Kingsnake kingsnakes]] prey on other snakes, some of which are venomous[[note]] (their immunity to the venom of some snake species helps them)[[/note]], though their dietary choices are not limited to snakes alone.
340** Orcas are dolphins, and are the largest member of the dolphin family. Their prey includes other, smaller dolphin species, as well as larger whales.
341** ''Temnodontosaurus'' was a large Triassic ichthyosaur that emerged during a period of marine-reptile diversification. While others specialized to crush shellfish, chase down small fish or swallow large groups of prey whole, ''Temnodontosaurus'' was a macro-predator that preyed on other ichthyosaurs.
342** Female ''Photuris'' fireflies are specialized hunters of other fireflies, namely the related ''Photinus''. The ''Photuris'' female lures males of other species by mimicking the glow of an ideal mate, and pouncing when they get too close.
343** Some species of jumping spiders are specialized predators of other spiders, using their superior eyesight to get the drop on their more-nearsighted prey.
344** ''Odontobatrachus natator'', also known as the saber-toothed frog, has a pair of long, curved fangs that allow it to prey on other frogs.
345** Assassin snails are a species of freshwater snail whose diet consists of other species of snail. In fact, they are often kept in aquariums to help control pest snail populations.
346** ''Toxorhynchites'' mosquito larvae prey on other mosquito larvae, including those of the disease-spreading ''Anopheles'' and ''Aedes'' genera.
347** Hyperparasites are a group of animals who parasitize hosts that are themselves parasites.
348[[/folder]]
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