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[[quoteright:275:[[Manga/{{Naruto}} http://static.tvtropes.org/pmwiki/pub/images/AnkoNaruto.jpg]]]]
[[caption-width-right:275:[-BAD TOUCH-]! I need an adult!]]

->''"[[BattleCry Blood for the Blood God!]]"''
-->-- '''[[WarGod Khornate]] Battlecry''', ''TabletopGame/{{Warhammer 40000}} and [[TabletopGame/{{Warhammer}} Warhammer Fantasy]]''

A character who has an odd fascination with blood, such as talking about how they wouldn't mind drinking it up, enjoying the sight of blood being spilled, etc. Often, they may be seen [[LickingTheBlade licking blood off of their weapons]]. Very often a sign of an AxCrazy character, but not always (as seen as in the picture). [[ObviouslyEvil You still would be]] [[DarkIsNotEvil (probably)]] [[ObviouslyEvil safer if you stay out of their sight, though]].

In real life, licking a cut is an instinctive reaction - the saliva can help to clean the wound. Anyone who've ever had a pet will probably have noticed the same behavior in them if they're ever wounded... and unless you deliberately suppress the instinctive reaction, licking or sucking on a minor cut is a perfectly natural response. So actually, most of us probably know what blood tastes like, without there necessarily being any fetishistic subculture involved. Please note, [[DoNotTryThisAtHome this can get you very sick.]]

Despite this trope being titled like a real word, meaning a desire for violence and bloodshed, this trope is not technically related to that definition - the trope BloodKnight is about people who definitely have bloodlust in the sense of the actual word. For when this ''is'' a {{Fetish}} for a character, see HemoErotic.

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!!Examples:

[[foldercontrol]]

[[folder: Anime and Manga]]
* Grell Sutcliffe, Madame Red, and Sebastian from ''Manga/BlackButler''.
* Ladd Russo of ''LightNovel/{{Baccano}}'' wears a white suit on board the Flying Pussyfoot so that the blood will show when he starts. When one of his associated is brutally massacred, Ladd dances in glee, on top of his body, no less.
* Andrea of ''{{Gankutsuou}}'' has a scene in the anime where he deliberately squeezes a glass in his hand, breaking it, and causing his hand to bleed. He then licks the blood off his arm.
* Road Kamelot from ''DGrayMan''.
* Anko in ''Manga/{{Naruto}}'', possibly inherited from Orochimaru.
** [[AxCrazy Gaara]] as well, [[MinorInjuryOverreaction but not his own]].
** [[CombatSadomasochist Hidan]] certainly revels in blood, but this is somewhat justified by its necessity in maintaining his immortality.
* {{Depraved Homosexual}}s Genkaku and Mockingbird from ''DeadmanWonderland'' are depicted as having BloodLust.
* Barry the Chopper from ''Manga/FullmetalAlchemist'' has such a ridiculous obsession with blood that it's humorous.
* Takuma Fudou of ''GetBackers'' expresses a desire to "slurp up Ban's blood."
* ''Manga/KarateShoukoushiKohinataMinoru'': During their fight Kevin squeezes Minoru's throat hard enough to make him [[BloodFromTheMouth cough up blood]], catches some on his tongue, and drinks it. In his words "Delicious flavor...LET ME DRINK MORE!"
* Gorobei from ''[[SamuraiSeven Samurai7]]'' has, on at least two occasions, apparently derived pleasure (if not flat-out orgasmed) from suffering cuts.
* There is a certain scene in ''Literature/KaraNoKyoukai'' where Shiki definitely invokes this trope ("It was the first lipstick Shiki ever wore"... you imagine the context), though it was most likely a minute's whim rather than full-out blood fetish.
* How can anyone forget Belphegor from ''Manga/KatekyoHitmanReborn''? The Bloody Prince? Prince the Ripper? The sight of his own blood makes him even more desirous to rip his opponents apart and see their blood. More likely than not, Bel also likes the taste of it. I think it was stated once.
* [[OurVampiresAreDifferent Evangeline]] of ''Manga/MahouSenseiNegima'' licking Negi's wound.
* {{Hellsing}}'s Alucard would [[BloodBath bathe in the stuff]] if he could.
** In the first anime, a character named Boobanshee/Bubbancy (actually a corruption of a Baobhan sith, pronounced roughly the same way in Japanese) tricks the entire Hellsing organization, save Seras and Alucard, into thinking that she is Integra's sister, Laura (a reference to Carmilla). Later, she attempts to drink Integra's blood, and even bites and licks her chest, after which Integra realizes that she has no sister; shortly after Bubbancy is dispatched and Integra refers to her as Countess Karnstein (another Carmilla reference). She also licks Integra's blood from her hand while saying that Integra's blood is "delicious".
*** Hell, almost EVERY vampire in Hellsing is like this. Granted, they also get a power boost when they do, but that's beside the point. Even Seras shows signs of this!
* Arcueid from ''VisualNovel/{{Tsukihime}}'' doesn't necessarily craves blood, but she gets ''really'' turned on with something as small as a bleeding gash in the arm.
* ''Manga/{{Bleach}}'': In the [[{{Filler}} anime-only]] Invasion Arc, one of the shinigami [[EvilTwin clones]] is revealed to have this. [[spoiler: Yumichika can't attack his clone because he [[TheFightingNarcissist thinks]] his clone is far too beautiful. However, his clone has no qualms about tearing Yumichika to shreds precisely because he thinks he'd look even more beautiful covered in blood.]]
[[/folder]]

[[folder: Comic Books]]
* In exchange for its massive power, the ''Comicbook/{{Witchblade}}'' demands blood. While Sarah from the American comic tries to overcome the feeling as much as possible, Amaha from [[Anime/{{Witchblade}} the anime]] gives in to its insatiable hunger for violence.
* [[WesternAnimation/TheBatman Vampire Joker]] is shown raiding a blood bank, and when he breaks the glasses holding the blood, causing a sort of blood rain, he's ''immensely'' pleased (and even laughs in glee!).
** The Elseworld ''[[ComicBook/BatmanVampire Batman & Dracula: Red Rain]]'' had a Dracula that wound up oddly Joker-like (although it apparently wasn't meant to be a Joker {{Expy}}) who got a taste of the Dark Knight's blood and [[FoeYay really, really liked it]].
[[/folder]]

[[folder: Film and Television]]
* [[Series/{{Mythbusters}} Kari Byron]], of all people, expressed an attraction to blood in one episode. But she doesn't taste any, it's just pretty.
* [[Series/{{Supernatural}} Sam Winchester]] is addicted to demon blood. Whenever Sam sees a demon bleeding, Sam gets strongly tempted to drink it. Sam's addiction was so bad that in 5x14, Famine corrupted Sam and made him intensely hungry for demon blood.
%%* Xenia from ''Film/GoldenEye''.
* The original ''Film/{{Dracula|1931}}'' movie had a scene where Renfield accidentally cuts his finger and Dracula stares hungrily at the blood seeping from the wound.
[[/folder]]

[[folder: Literature]]
* In ''TheGuardians'', when vampires drink blood from someone attracted to them, they are overwhelmed with lust and sex is inevitable. However, the choice belongs solely to the blood donor; they may resist or succumb, but the vampires cannot resist.
* Some of the more unsettling villains in the AnitaBlake series express a profound interest in the red stuff. Only partially justified by being vampiric, as this does not seem to affect the FriendlyNeighborhoodVampires to an extent that the author would feel a need to impress it upon the reader.
* In Bram Stoker's original ''Literature/{{Dracula}}'' novel, Count Dracula goes from being a [[AffablyEvil charming gentleman]] to a raging fiend with the flip of a switch and the switch is Jonathan Harker cutting himself shaving.
* ''Literature/TheMortalInstruments'': [[spoiler: After Simon becomes a vampire, he needs blood. Badly. After he is imprisoned by Inquisitor Aldertree, the latter tries to starve him to death to find out the secret of his being able to walk in daylight.]]
* SociopathicHero [[WickedCultured Alex]] of ''Literature/AClockworkOrange'' is this trope, at least until the government "fixes" him through some good, old fashioned ColdBloodedTorture until he's violently ill at the sight of it.
* [[Literature/{{Dragons}} The Last Dragon Chronicles]]: [[spoiler:Stygg, after becoming infected by diluted Ix in Gwilanna's blood.]]
* ''Literature/ASongOfIceAndFire'': Joffrey Baratheon has a huge appreciation for seeing people in bloody combat and especially when he orders people to be killed or maimed. The [[Series/GameOfThrones HBO series]] takes this even further by implying he has an sexual fetish for seeing bloody corpses, showing a shot of Joffrey with the body of a tied-up prostitute filled with crossbow arrows.
[[/folder]]

[[folder: LiveActionTelevision]]
* In ''Series/{{Supernatural}}'', both vampires and djinn drink human blood. Sam also becomes addicted to drinking demon blood, and Crowley becomes addicted to injecting himself with human blood.
[[/folder]]

[[folder: Table Top Games]]
* The art for the MagicTheGathering card [[http://gatherer.wizards.com/Pages/Card/Details.aspx?multiverseid=201272 Blood Lust]] is an accidental occurrence of this. The card itself was based around the "Desire for violence and bloodshed" bloodlust, but a miscommunication with the artist resulted in its picture being more in line with this trope.
* TabletopGame/{{Warhammer 40000}} has the Blood Angels chapter of SpaceMarines, who have numerous unspecified rituals surrounding blood. Additionally, a genetic defect known as the Red Thirst has a random chance of triggering a usually temporary overwhelming need to kill and spill blood, sometimes leading to a LeeroyJenkins style destruction of battle plans.
** Then there's [[BloodKnight Khorne]] [[AxCrazy and his followers]].
*** [[TheBerserker BLOOD FOR THE BLOOD GOD! BLOOD FOR THE BLOOD GOD!! BLOOOOOD FOR THE BLOOOOD GOD!!!!!]]
[[/folder]]

[[folder: Video Games]]
* Vega, the masked Spanish ninja in ''StreetFighter''. He talks about how his enemies should "soak in their blood" and that he can hardly wait to taste it. (Why yes, he's evil.) There's also the page quote...
* Zagi out of ''VideoGame/TalesOfVesperia'' has this.
* In the original ''VideoGame/GuiltyGear'', Zato's win quote against Millia went along the lines of "Finally! Only your blood can satisfy me!"
* ''VideoGame/MetalGearSolid2'''s Vamp, sort of. He has a blood fetish, due to sucking his dead relatives' blood to survive in the aftermath of a church bombing.
* As an example of a good (sort of) person doing this, Rider in ''FateStayNight'' seems to find blood a bit of a turn on and also drinks it. When Shinji makes her, it's generally fatal and to get some strength from it, plus not her idea. However, she also seems to simply like the taste and neatly avoids answering Tohsaka about whether or not she's still doing so by saying if she was, Sakura wouldn't find out anyway. Bloodsucking is a bad thing in the {{Nasuverse}} but Rider gets away with it anyway.
* In the ''{{Suikoden}}'' series, several of the [[ArtifactOfDoom True Runes]] are stated to cause an insatiable thirst for blood in the bearers, most notably the Beast Rune, which ends up causing an enormous amount of bloodshed through its bearer, [[AxCrazy Luca]] [[OmnicidalManiac Blight]].
* ''VideoGame/{{Warcraft}}''
--> ''Blood Mage'': My blood cries out for the vengeance of my people's blood, which can only be repaid with twice as much blood! Or maybe three times as much blood! Like, if you went to hell and it was full of blood, and that blood was on fire, and it was raining blood, then maybe THAT would be enough blood. Maybe but probably not...
** The ''actual'' bloodlust spell increased a unit's damage ([[http://www.youtube.com/watch?v=iqIVxEpQEms and sounded damn awesome]]) in ''II'' and increased their attack speed, movespeed, and size in ''III''.
* The initial protagonist of ''{{Theresia}}'' is deeply comforted by the smell of blood. It reminds her of [[TortureTechnician her mother]].
* [[AscendedGlitch Skarlet]], a DLC character for ''VideoGame/MortalKombat9'', was created from the blood of Shao Kahn's enemies and gains additional power by [[BloodBath bathing in the blood of her own opponents]], which is taken to logical extremes with her Fatalities.
* Ghirahim in ''VideoGame/TheLegendOfZeldaSkywardSword'' - During your second fight with him, he'll even [[LickingTheBlade lick Link's blood off his blade]] when he lands a strike with it.
* In ''VideoGame/TearsToTiara2'', [[WarGod Melqart]], [[TheHero Hamil's]] SuperpoweredEvilSide says to him a couple of times. "Tear your enemy to pieces. Eat their flesh. Drink their blood." It's NotHyperbole.
[[/folder]]

[[folder: Web Comics]]
* ''Webcomic/{{Daniel}}'' has a tough time ignoring his cravings for blood...or more particularly, [[LifeDrinker life]].
* CharbyTheVampirate is an extreme case. This cost him a girlfriend, and he barely avoided killing [[BadassNormal his only "normal" friend's]] grandmother.
[[/folder]]

[[folder: Web Original]]
* ''TheGunganCouncil'' has an entire family named the Bathorys. [[BloodBath Guess what they like]].
[[/folder]]

[[folder: Real Life]]
* TruthInTelevision: A few people do enjoy the taste of blood. In fact, there's an entire subculture based around it. They're called Sanguinarians.
* Most carnivorous animals. Domesticated dogs will even leaf through [[{{Squick}} used feminine products]] for it.
[[/folder]]

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