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[[quoteright:350:[[Anime/FullmetalAlchemist http://static.tvtropes.org/pmwiki/pub/images/comb14032016122219.jpg]]]]
[[caption-width-right:350:"You ''are'' foolish, all of you, even my own son."]]

->''"You asked what about me? It's simple. I love cutting up live people, and I like killing people so much, I can't stand it. I kill; therefore I am! I am who I am. That's all the evidence I need!"''
-->--'''Barry the Chopper''' (anime version only), "The Red Glow" (subtitles)

''Franchise/FullmetalAlchemist'' has several [[CompleteMonster especially heinous]] villains.


[[folder: [[Manga/Fullmetal Alchemist Original manga ]]
and ''Brotherhood'']]:

* [[MadScientist Shou Tucker]], the [[MadDoctor Sewing-Life Alchemist]], is known for his ability to create chimeras capable of speech. He's introduced to the Elric brothers as an awkward NiceGuy with a 4-year-old daughter named Nina. With his State Alchemist license soon to expire, Tucker created another Chimera by [[WouldHurtAChild fusing Nina and her dog Alexander]] into a miserable HalfHumanHybrid which is [[FateWorseThanDeath in constant agony]]. When the Elric brothers discovered Nina's new state, Edward's rage nearly drove him to kill Tucker. It is then revealed that the other speaking Chimera was actually his wife and Nina's mother, whom Tucker created by fusing her to another animal, earning him his State Alchemist status in the first place. Tucker [[ObliviouslyEvil refuses to admit what he did was horrible]], going as far as to tell the Elric brothers that they shouldn't have a problem with his actions and that anybody else would have done the same thing ForScience. While only appearing in one chapter, [[FourEyesZeroSoul Shou Tucker]] manages to be one of the most depraved characters in the manga and ''Brotherhood'' anime.
* The manga version of [[BigBad Father]] lacks the AlasPoorVillain moment of his ''Brotherhood'' counterpart. Father is a [[EldritchAbomination being from beyond the Gate]] given form in a small flask and named Homunculus by the nameless slave who would become van Hohenheim in the Xerxes empire. Desiring to escape the flask, Homunculus would trick the king of Xerxes into a ritual that slaughtered multiple people to initiate an alchemy ritual that killed everyone in Xerxes and split their souls between Hohenheim and Homunculus, to the latter's horror. Later founding the nation of Amestris and creating the Homunculi, he took the name of "Father", guiding Amestris to become a military dictatorship that initiated military conflicts to provide bloodshed for an even greater ritual, including the genocide of the Ishvalan people. Intending to kill and steal the souls of tens of millions so that [[AGodAmI he could devour God]], or Truth itself, Father demonstrates cold sadism when he faces Hohenheim and [[TrulySingleParent his children again]], [[MindRape mentally torturing]] them as he also abandons or [[AbusiveParents tries to absorb his own Homunculi children]]. While he sees himself as an existence above humans, this is simply a reflection of Father's arrogance and pride, desiring to [[ImmortalityImmorality ascend ever higher, no matter who or what he has to destroy to gain ultimate knowledge and power]].
* The [[NoNameGiven unnamed]] and utterly heinous [[GoldTooth Gold-Toothed]] [[MadDoctor Doctor]] crosses the MoralEventHorizon in one of Bradley's flashbacks, when he's shown cackling with glee as he [[MadScientist puts one subject after another]] through the [[ForScience process intended]] to create [[SuperSoldier Wrath]]; this process horrifically kills the first twelve candidates, deconstructing their bodies [[AndIMustScream while they are still alive]]. In the present day he only gets a few scenes, but they are more than enough. He uses his [[TheMedic medical alchemy]] to heal MadBomber [[SociopathicSoldier Solf J. Kimblee]] so that he might be unleashed upon the heroes again. He later looses the remaining Fuhrer candidates (all of whom have been reduced to an essentially mindless state) on Ed, Roy, Hawkeye, and Scar to prevent them from interfering with Father's plans to destroy the country, activates the Transmutation Circle that sends Ed, Al, and Izumi into Father's presence, and finally has one of the candidates [[SlashedThroat slit Riza Hawkeye's throat]] in an attempt at forcing Roy to perform human transmutation and open the Gate. Perhaps most importantly, he's privy to [[BigBad Father]]'s [[TheEndOfTheWorldAsWeKnowIt endgame]] (unlike Central Command, who believe they are all going to receive immortality) and simply doesn't give a damn. No explanation for his actions is ever given, and he spends all of his appearances sporting a SlasherSmile and bragging about his achievements as a scientist.
* ''[[Anime/FullMetalAlchemistTheSacredStarOfMilos The Sacred Star of Milos]]'': "Melvin Voyager", actually [[BigBad Security Chief Atlas]], is a [[AmbitionIsEvil power-hungry]], [[TheSociopath sociopathic]] Cretan soldier, who starts off by denouncing his vows to protect the Crichton family by brutally murdering the female protagonist Julia's parents and then [[FaceStealer rips the skin of Julia's brother's Ashleigh's face]] in order to steal his identity. This was done so that Atlas could easily [[ManipulativeBastard manipulate the rebel group, Bats]], into making a transmutation circle for him by promising Creta enough power to rival other nations. Ashleigh, in turn, ended up becoming a vengeful KnightTemplar, seeking revenge for Milos after losing his faith for its people. After showing his true colors, Atlas murders Bats' leader, Miranda, so that he can use her blood to activate the circle. He then proceeds to [[ChronicBackstabbingDisorder murder his co-conspirator, Raul, as well]] when it turns out there is not enough sacrificial blood. After succeeding in activating the circle, Atlas sacrifices dozens of Amestrian soldiers by feeding them to Milos's machinery to create a PhilosophersStone for himself. A textbook sociopath who abandoned his honor and home country for power, Atlas stood out as one of the most vile villains in the ''Brotherhood'' canon.


[[folder: [[Anime/Fullmetal Alchemist 2003 Anime ]]

* [[BigBad Dante]] is a [[ReallySevenHundredYearsOld 400-year-old woman]] with a penchant for {{Body Surf}}ing; she's stayed alive this long by jacking innocent people's bodies, ditching them when they start to rot, and repeating the process infinitely. When her own Philosopher's Stone runs out, she sets in motion a plan to cause so much misery in Amestris that someone will be desperate enough to recreate the Stone, allowing her to steal it with no risk to herself. She's [[AbusiveParents abusive]] towards her Homunculi "children", arranges for Ed to kill Greed, [[GrandTheftMe jacks her own assistant's body]], and finally, attempts to steal the body of one of the hero's {{Love Interest}}s, who had already been severely traumatized by rape/pregnancy, solely so that she can force him to have sex with her. Said hero is both a [[{{Ephebophile}} teenager]], and her ''ex-boyfriend's son''. She later shatters the mind of one of her Homunculi servants when he dares to miss his dead friend, turning him into a mindless eating machine. She's never shown in a sympathetic light, comes off as an [[SmugSnake overconfident]] JerkAss in person, and doesn't even have the excuse of not being human to protect her.
* [[TheDragon Envy]] lacks all the [[AlasPoorVillain pitiful qualities]] that his manga counterpart had. An AxCrazy {{sadist}}, Envy uses his ShapeShifterGuiltTrip by taking on the forms of people's loved ones before killing them. He is the one responsible for murdering Maes Hughes, by impersonating his wife and rubbing it at his face before killing him. Envy is mostly seen [[ManipulativeBastard manipulating Amestris's government]] behind the scenes with a string of mind games and murders, while [[TheGeneralissimo Pride]] controls the military as King Bradley. This all culminates in him [[HeroKiller killing Ed]] when he finds out that Envy is in fact, the [[AntagonisticOffspring homunculus version of his half-sibling]]. Unlike other homunculi, who wanted to become humans, Envy was the sole exception, only working for [[BigBad Dante]] so he could [[PsychoForHire kill as many people as possible]], abusing both other homunculi and prisoners in the process simply [[ForTheEvulz for laughs]]. His ParentalAbandonment as a FreudianExcuse doesn't even come close to justifying his homicidal mania and Envy completely undermines it in ''Conqueror of Shamballa'' when he decides to murder his father rather than trying to reconnect with him.
* [[PresidentEvil King Bradley]]/Pride is [[TheGeneralissimo the military dictator]] of Amestris and one of [[BigBad Dante's]] most trusted homunculi. He is the mastermind behind the events that caused the [[FinalSolution genocide in Ishbal]], and worse yet, repeats the same actions in Reole in order to lead his own nation in destruction. At one point, he even releases infamous MadBomber [[AxCrazy Solf J. Kimblee]] from prison and unleashes him upon Reole citizens in order to take care of the deed as fast as possible. While mainly assisting Dante in her plans to create the PhilosophersStone all over again, it is made clear that Bradley enjoys committing these deeds for the sake of [[MasterRace "purifying" the population]] and expanding the country's territory. After Martel finds out about [[TheReveal Bradley's true identity]], he proceeds to [[MoralEventHorizon murder her cold-bloodedly in front of Al]] in order to keep her silent. It is not until the final arc of the series when Bradley reaches the level of an irredeemable monster, when he plays a sadistic cat-and-mouse game with Roy Mustang, torturing him both physically and emotionally, even bringing up the tragic fact that he couldn't save his best friend from a certain death. When his [[MoralityPet own son]] steps in the hopes of helping his father, Bradley [[OffingTheOffspring strangles him to death]] while ranting about being an agent of God.
* [[MadBomber Solf J. Kimblee]] stands out as [[CharacterExaggeration even more insane]] and [[AxCrazy psychotic]] than his [[BlueAndOrangeMorality manga counterpart]]. A [[PsychoForHire state alchemist]] with the ability to turn [[StuffBlowingUp objects]]—and [[WhyAmITicking people]]--- into explosives, Kimblee LovesTheSoundOfScreaming and earned a reputation during the Ishbal genocide for his ruthlessness. As seen in early flashbacks, Kimblee was responsible for massive explosions all around the region, all while laughing about it. He also tortured Scar by sadistically blasting him apart one piece at a time, making him the distinctive mark in his forehead. Later, Kimblee escapes the prison by using a fellow inmate as a bomb and starts working for Greed before betraying him to Frank Archer and being indirectly responsible for the Devil's Nest massacre. After his reinstatement, Kimblee reenacts the Ishbal genocide in Reole and tries to murder Al by transforming him into a walking time bomb. When encountered by Scar, Kimblee reveals that he has no reason for fighting, other than the fact that he sees [[MisanthropeSupreme humans—not exempting himself--as empty beings]] and that [[{{Sadist}} he simply enjoys seeing people suffer]].
* [[SerialKiller Barry the Chopper]], unlike his [[PlayedForLaughs manga incarnation]], is [[AdaptationalVillainy far more vicious and horrifying]]. Barry was once a simple butcher living in Central City who had grown bored with his life of cutting up pigs and cows. One day, to see what it felt like, Barry decided to chop up his wife and quickly found that he loved the sensation. What followed was a string of women being brutally murdered. Barry's killing spree came to a temporary halt when he was arrested after trying to kill the Elrics' childhood friend, Winry. Rather than be executed, Barry was experimented on, had his soul bound to a suit of armor, and became one of the guards for the Fifth Laboratory. After the lab's destruction, Barry slaked his bloodlust by joining a group of mercenaries to slaughter a camp of harmless Ishvalans. An utter sociopath, Barry killed people for no other reason than because he enjoyed it. When asked by Alphonse if Barry was afraid that he wasn't the real Barry and was just an artificially constructed soul, like Barry accused Alphonse of being, Barry stated that it didn't matter if he was the original Barry or not[[labelnote:*]]He ''is'' the original Barry.[[/labelnote]]. Barry claimed that so long as he had the ability to kill people, he loved who he was: "I kill therefore I am."