History Sandbox / MonsterBatman

* Punchline
* ''ComicBook/TheJoker2021'' issue #9: Dr. Friedrich Baum

[[AC:ComicBook/DCRebirth]]

* ''ComicBook/Batgirl2000'' (Cassandra Cain) & ''Streets of Gotham'' (primarily): This incarnation of [[MadScientist Dr. Karl Hellfern]], aka Dr. Death, starts off as a chemist who worked for Elliot Pharmaceuticals and secretly cut heroin for gangster Salvatore "Sallie" Guzzo. Hellfern is hired by Guzzo and his associate Judson Pierce to help destroy Leslie Thompkins's clinic that helps the poor, with the gangsters wanting the land the clinic is on. Hellfern develops a [[SyntheticPlague deadly virus]] and infects a rat with it. When a local kid is caught spying on Hellfern, Hellfern [[WouldHurtAChild has the rat bite the boy]] and drops him off in front of the clinic, hoping to infect everyone there. After that scheme, Hellfern is arrested and turns state's evidence against Pierce. Hellfern decides to become a supervillain and renames himself Dr. Death, and decides to [[PsychoForHire sell his services to the highest bidder]]. He agrees to work for the dictator of the small post-Soviet country Tarakstan. Dr. Death demonstrates a poison that will kill people and turn the bodies in oil, by [[TestedOnHumans exposing several captured civilians to it]]. When rebels attack the government lab Dr. Death is operating at, Dr. Death plans to release his poison on the rebels and he has the rest of the civilians he was imprisoned in his lab as test subjects released on to the battlefield, so they can die as well. Dr. Death later engages in a scheme to steal corpses across Gotham, turning them into a [[FantasticDrug designer drug called Soul]], which often turns its users into violent maniacs for a short period of time, causing chaos across Gotham City.

* Vol. 1 issues #421-422: [[SerialRapist Karl Branneck]] is one half of a duo known as the [[SerialKiller Dumpster Killer]], and the more dominant of the pair compared to the sycophantic Vito. Karl chooses well-off women, hunting them down, before torturing them, raping them and killing them painfully before leaving their remains in dumpsters for others to find. Provoking Batman's attention after a friend of Bruce Wayne's is murdered, Karl obtains ten victims before growing worried about media attention and murdering Vito. After being acquitted, Karl plans to resume his rape, torture and murder spree, targeting two more women, only to fall into the trap of a victim's sister, and dies [[HeManWomanHater cursing women in general]], showing that in Gotham, one does not need a costume or powers to be pure evil.

* ''ComicBook/{{Batgirl}}'' (Cassandra Cain) & ''Streets of Gotham'' (primarily): This incarnation of [[MadScientist Dr. Karl Hellfern]], aka Dr. Death, starts off as a chemist who worked for Elliot Pharmaceuticals and secretly cut heroin for gangster Salvatore "Sallie" Guzzo. Hellfern is hired by Guzzo and his associate Judson Pierce to help destroy Leslie Thompkins's clinic that helps the poor, with the gangsters wanting the land the clinic is on. Hellfern develops a [[SyntheticPlague deadly virus]] and infects a rat with it. When a local kid is caught spying on Hellfern, Hellfern [[WouldHurtAChild has the rat bite the boy]] and drops him off in front of the clinic, hoping to infect everyone there. After that scheme, Hellfern is arrested and turns state's evidence against Pierce. Hellfern decides to become a supervillain and renames himself Dr. Death, and decides to [[PsychoForHire sell his services to the highest bidder]]. He agrees to work for the dictator of the small post-Soviet country Tarakstan. Dr. Death demonstrates a poison that will kill people and turn the bodies in oil, by [[TestedOnHumans exposing several captured civilians to it]]. When rebels attack the government lab Dr. Death is operating at, Dr. Death plans to release his poison on the rebels and he has the rest of the civilians he was imprisoned in his lab as test subjects released on to the battlefield, so they can die as well. Dr. Death later engages in a scheme to steal corpses across Gotham, turning them into a [[FantasticDrug designer drug called Soul]], which often turns its users into violent maniacs for a short period of time, causing chaos across Gotham City.

* ''ComicBook/SupermanSpeedingBullets'':[[Characters/SupermanLexLuthor Lex Luthor]] himself becomes [[Characters/BatmanTheJoker the Joker]] in this alternate retelling of Clark Kent and Bruce Wayne's backstories. A [[CorruptCorporateExecutive powerful, amoral businessman]] disfigured in an accident, Luthor is the one responsible for the death of the Waynes in this continuity, executing the burglars he sent to do the job afterward. Violently possessive of Lois Lane, Luthor schemes to make her his own, intending her to be the queen of his own "Jokerania." To remold the city, Luthor sends mercenary armies to utterly devastate Gotham to remake it from the ground up [[InTheirOwnImage in his own image]], killing hundreds--to which Joker merely quips "[[ForTheEvulz why not?]]" when Batman furiously demands why so many have suffered for his convenience.

* ''ComicBook/{{Batwing}}'''s

* ''ComicBook/{{Batwing}}'''s issues #3-6: [[AfricanTerrorists General Ayo Keita]] is the leader of a self-fashioned group of ChildSoldiers named the Army of the Dawn, all of whom Keita has "enlisted" through the wanton slaughtering of their villages, stealing away any children and men that fit his qualifications while killing the rest. Keita fixates on David Zavimbe—-the future Batwing—-and his brother Isaac, forcing them to massacre and burn alive innocents, and even attempting to force them to blow up a compound of orphan [[WouldHurtAChild children]] to kill [[ThereIsNoKillLikeOverkill one single man]]. Upon their violent refusal, Keita merely opts to murder both David and Isaac. Years later, even long after his death, Keita's abuses shatter Isaac and turn him into a monster, so much so David mistakes him for Keita himself.

* ''ComicBook/{{Batwing}}'''s issues #3-6: [[AfricanTerrorists General Ayo Keita]] is the leader of a self-fashioned group of ChildSoldiers named the Army of the Dawn, all of whom Keita has "enlisted" through the wanton slaughtering of their villages, stealing away any children and men that fit his qualifications while killing the rest. Keita fixates on David Zavimbe—-the future Batwing—-and his brother Isaac, forcing them to massacre and burn alive innocents, and even attempting to force them to blow up a compound of orphan [[WouldHurtAChild children]] to kill [[ThereIsNoKillLikeOverkill one single man]]. Upon their violent refusal, Keita merely opts to murder both David and Isaac. Years later, even long after his death, Keita's abuses shatter Isaac and turn him into a monster, so much so David mistakes him for Keita himself.

* Examples from ''ComicBook/AllStarWestern'' can be found [[Monster/JonahHex here]].

* Examples from films can be found [[Monster/FilmAToB here]] [[labelnote:Specifically]]''Film/BatmanFilmSeries''[[/labelnote]]; [[Monster/FilmC here]] [[labelnote:Specifically]]''Film/Catwoman2004''[[/labelnote]]; and [[Monster/FilmDToE here]] [[labelnote:Specifically]]''Film/TheDarkKnight'', & the Franchise/DCExtendedUniverse[[/labelnote]].

* Examples from non-animated TV series can be found [[Monster/LiveActionTVAToF here]] [[labelnote:Specifically]]''Series/BirdsOfPrey2002''[[/labelnote]]; [[Monster/LiveActionTVGToO here]] [[labelnote:Specifically]] ''Series/{{Gotham}}''[[/labelnote]]; and [[Monster/{{Arrowverse}} here]] [[labelnote:Specifically]]''Series/Batwoman2019''[[/labelnote]].

* Podcasts can be found [[Monster/{{Podcasts}} here]].

This is for the comics only. Other examples for [[Franchise/{{Batman}} the franchise]] can be found below:

''Franchise/{{Batman}}'''s {{Long Runner|s}} status and the [[Characters/BatmanRoguesGallery massive size]] of his RoguesGallery mean that he has faced many foes. However, these stand out as [[CompleteMonster the worst of the worst]] from [[ComicBook/{{Batman}} the comics]].

''Franchise/{{Batman}}'''s {{Long Runner|s}} status and the [[Characters/BatmanRoguesGallery massive size]] of his RoguesGallery mean that he has faced many foes. However, these stand out as [[CompleteMonster the worst of the worst]].

* ''Radio/TheShadow[=/=]Batman'', by Steve Orlando, Giovanni Timpano, et al.: [[CardCarryingVillain Shiwan Khan]], the Shadow's ArchEnemy, is a descendant of UsefulNotes/GenghisKhan and a cunning psychic who is the most evil student to emerge from Shamba-La. One of the leaders of the Silent Seven alongside [Characters/BatmanRasAlGhul Ra's al Ghul]], Shiwan Khan assists in "culling" the human population and keeping a control over the numbers to [[TakeOverTheWorld dominate the world]]. Lacking his partner's well-intentioned goals, Shiwan resurrects others as slaves, mentally torturing Batman and the Shadow, physically torturing the latter as well before even reviving one of his friends and killing him in front of the Shadow. Happily destroying all in his path, Shiwan Khan is a man who sees the evil lurking in the hearts of men, only to enjoy it in his quest to rule it.

* ''Birds of Prey: ComicBook/BlackCanary[=/=]ComicBook/{{Oracle}}'' & ''ComicBook/{{Robin}}: Year One'' #1: [[TheGeneralissimo Generalissimo Singh Manh Lee]] is the tinpot dictator of Rheelasia. Secretly far worse than his corrupt appearance already implies, Lee is a [[WouldHurtAChild pedophile]] who enlists ComicBook/TheMadHatter into brainwashing over a dozen little girls to "[[SexSlave get to know them better]]", casually flaunting his [[DiplomaticImpunity diplomatic immunity]] to walk off at the end while all his minions are arrested.

* ''Dark Knight Dynasty'', by Mike W. Barr et al.: ComicBook/VandalSavage, frustrated by the question of his existence and the meteor that provided him with his immortality, founds a legacy of murder trying to bring the meteor back to Earth. Savage, in his immortal lifespan, makes enemies with succeeding generations of Waynes. In the 13th century, Savage murders the companions of Sir Joshua Wainwright and then has him burned alive at the stake for "heresy" after he foils his plan; in the 20th century, Savage has Thomas and Martha Wayne alongside several other obstacles to his plan kill themselves through MindRape, and even kills Alfred Pennyworth by blowing up the Wayne Manor; and in 25th century, attempts one final time to bring the meteor to Earth, [[ItsAllAboutMe disregarding the millions who will die]] in future Gotham when it collides.

** ''ComicBook/BatmanAndCaptainAmerica'': ComicBook/RedSkull, here a high-ranking member of the Nazi regime, allies himself with the Joker in his latest plot for expanding the Third Reich. Having the Joker murder several innocents to assist in his own [[EmptyQuiver theft of an atomic bomb]] dubbed "Fat Boy," Red Skull [[BadBoss casually poisons one of his own soldiers]] for questioning his orders, and later has the Joker [[DeadlyGas slaughter a path]] into a military base. Betraying the Joker at this juncture, Red Skull boasts his plans to parade the Joker's broken body around as a trophy, and reveals his true master plan to drop Fat Boy onto Washington, D.C., then use the ensuing millions of casualties to pave the way for the Nazis to invade America. Even when his original plan is thwarted, Red Skull still attempts to [[NukeEm drop Fat Boy miles out of Washington]], gleefully proclaiming that the fallout will still kill countless innocents.

*** ComicBook/LexLuthor is [[AdaptationalVillainy far worse]] than his mainstream counterpart. In 1929, he betrays his boss, Dr. Erwin Stanislaus, and has a robot wreak havoc on the city until it is stopped. In 2008, Luthor, now a [[BrainInAJar brain in a robot's body]] and calling himself Metallo, attacks Metropolis and is stopped, but not before he detonates an {{EMP}} that causes a blackout in Metropolis. In 2025, Luthor escapes from prison and detonates a larger EMP, causing humanity to fall back into the Dark Ages temporarily, with hundreds of millions dying. In the 25th century, Luthor is freed again and goes to the Superman Museum, planting a bomb and intending to gain control of every computer grid on the planet. The bomb is contained safely, but Luthor succeeds in [[BrainUploading gaining control of every computer grid]], and wages war on humanity until he is stopped.
* ''ComicBook/ElseworldsFinestSupergirlAndBatgirl'': ComicBook/LexLuthor is a [[VillainWithGoodPublicity respected businessman who helped revolutionized the city of Metropolis]]; his reputation is just a means to hide his glory and greed. Along with his accomplice Hamilton, Luthor [[WouldHurtAChild murdered an infant Kal-El]] with kryptonite and used his corpse as an energy source for his labs, making him millions while Luthor left Hamilton with nothing and ruined his life due to attempting to expose his crimes to the public. Luthor was also responsible for hiring Joe Chill to murder the Waynes, including their son Bruce Wayne, making him indirectly responsible for the death of Barbara Gordon's parents. Luthor conspires with [[Characters/BatmanTheJoker the Joker]] to get rid of Supergirl and Batgirl, so he could use Supergirl's corpse the same way he did to her infant cousin. Having Joker beat Supergirl nearly to death, Luthor taunts her about the fact he'll make her species extinct, how he murdered her stillborn, and claimed he didn't murder anyone as [[FantasticRacism aliens are worthless and have no equal rights as humans]].

* ''Nosferatu'', by Randy & Jean-Marc Lofficier, et al.: [[PsychoPsychologist Dr. Arkham]] is the fiendish ruler of the [[BedlamHouse asylum]] in the aftermath of the death of [[ComicBook/LexLuthor Lutor]]. Mistreating and tormenting his patients, he has possession of the monstrous Laughing Man that he uses to kill anyone inconvenient. Arkham sends the Laughing Man to murder First Eschevin Gord-son, and later has Dirk Gray-son killed as well. Upon Bruss Wayn-son discovering his schemes, Arkham has him thrown to his seeming death and attempts to have Gord-son's daughter Barbara murdered. Keeping and torturing countless souls in his asylum, Arkham intends on eventually spreading his works to all of [[Franchise/{{Superman}} Metropolis]] to "cure" them.

* ''ComicBook/SupermanSpeedingBullets'': ComicBook/LexLuthor himself becomes [[Characters/BatmanTheJoker the Joker]] in this alternate retelling of Clark Kent and Bruce Wayne's backstories. A [[CorruptCorporateExecutive powerful, amoral businessman]] disfigured in an accident, Luthor is the one responsible for the death of the Waynes in this continuity, executing the burglars he sent to do the job afterward. Violently possessive of Lois Lane, Luthor schemes to make her his own, intending her to be the queen of his own "Jokerania." To remold the city, Luthor sends mercenary armies to utterly devastate Gotham to remake it from the ground up [[InTheirOwnImage in his own image]], killing hundreds--to which Joker merely quips "[[ForTheEvulz why not?]]" when Batman furiously demands why so many have suffered for his convenience.

** Volume One: [[MayorPain Mayor Oswald Cobblepot]] [[note]]ComicBook/ThePenguin's real name, although he is not referred to as such[[/note]] takes CorruptPolitician to new levels. Cobblepot runs Gotham like his own private Mafia and tried to have Thomas Wayne killed for running against him as Mayor. He represses the courts through fear and intimidation, allows crime to run rampant and utilizes an insane SerialKiller called [[PsychoForHire Birthday Boy]] by providing him with young, female victims. When a judge fails to stop Harvey and Jessica Dent from investigating him, Cobblepot has the judge's eldest daughter given to Birthday Boy in payment for the assassination of a corrupt officer who has become a liability, promising that should he fail again, the judge's younger daughter will be next. When he finally confronts Batman, Cobblepot tries to slice him to pieces with a [[ParasolOfPain sword umbrella]], laughing about the corrupt nature of Gotham City and how his only regret was that a mugger got to Thomas Wayne before his plan went off.

* ''ComicBook/HarleyQuinn: [[Creator/DCInk Breaking Glass]]'', by Mariko Tamaki & Steve Pugh: [[ForTheEvulz John Kane]], aka [[Characters/BatmanTheJoker the Joker]], is a respected son of Mr. and Mrs. Kane, owners of [[MegaCorp Kane Enterprises]]. Growing bored with Gotham, John Kane starts committing various acts of vandalism, setting buildings on fire and breaking cars. Deciding to manipulate Harley Quinn, John has her join his cause and tricks her into helping him to break into Kane Enterprise's headquarters, then having her help him carry bombs to the roof and orders his henchmen to hold her, as he reveals that he plans to blow up a gigantic sign of the building right on top of dozens of protesters below, planning to [[FrameUp frame Harley for said crime]]. When Harley beats up his thugs, John escapes, while setting the bombs to explode, also revealing that he rigged to explode the garden at a school, which belongs to Harley's best friend, [[ComicBook/PoisonIvy Ivy Du-Barry]].
* ''ComicBook/{{Joker}}'': The titular [[Characters/BatmanTheJoker Joker]] is once again presented as a [[AxCrazy madman]] bent on creating as much chaos and destruction as possible. Managing to get himself be released from Arkham Asylum, the Joker immediately began rebuilding his criminal empire. Starting off by skinning a former member of his gang for allowing Joker's influence in Gotham to crumble while he was gone, Joker forced "[[ComicBook/ThePenguin Abner]]" to work for him by threatening to feed him to Killer Croc. As his next move Joker goes to slaughter countless criminals and mob bosses to get himself to the top of Gotham's underground. Starting a [[MobWar gang war]] with Two-Face, Joker murdered all of his henchmen, afterwards raping the wife of one of his closest men, Johnny Frost, because Johnny lied to him. Deciding to have some "fun", Joker begins to murder innocent people, at one point invading the apartment of peaceful old couple and [[WouldHarmASenior brutally killing them]] for no reason.

** [[Characters/BatmanTheJoker The Joker]][[labelnote:Appearances]]''ComicBook/BatmanTheDarkKnightReturns''; ''ComicBook/AllStarBatmanAndRobinTheBoyWonder''; ''Dark Knight Returns: The Last Crusade''[[/labelnote]] is a psychotic murderer, responsible for deaths of hundreds, including Dick Grayson's parents and Jason Todd. Beginning his criminal spree with trying to [[TamperingWithFoodAndDrink poison Gotham's water supply]], the Joker continues causing chaos and destruction in Gotham by having his gang commit crimes for fun. Setting up a trap for Jason Todd, Joker manipulates several inmates in Arkham Asylum to mutilate themselves, before starting a riot, killing countless guards before escaping. After having gone into unresponsive catatonia for a decade due to Batman retiring, the Joker returns to his old habits after the return of Batman to Gotham. The Joker marks his return by [[DeadlyGas fatally gassing]] the entirety of a talk show audience with his Joker toxins, causing them to die a slow death as they [[DieLaughing laugh themselves to death]]. To goad Batman into coming after him, the Joker [[WouldHurtAChild sells poisoned cotton candy to dozens of children]], which resulted in all of them quickly dying. After Batman started chasing him, the Joker shoots randomly many innocent people and when Batman snapped his neck thus paralyzing him, the Joker [[SpitefulSuicide defiantly snaps his own neck]] the rest of the way anyways and dies with a wide smile on his face, intending to [[ThanatosGambit frame Batman for his own death]], proclaiming he'll [[SeeYouInHell meet Batman in Hell]].

*** ComicBook/LexLuthor is Superman's ArchEnemy and the current de facto ruler of the United States. Seizing control of the country after installing a hologram to [[PuppetKing assume the role of the president]], Luthor proceeded to turn the entire country into a police state. Recruiting the help of Brainiac, Luthor kept the superheroes of Earth in line by threatening to kill their loved ones. The heroes that Luthor did not find useful were either imprisoned or subjected to horrific genetic experiments. After a series of raids led by Batman reinvigorates the public's interest in superheroes, Luthor snaps and begins cracking down on any super-heroic activities. Luthor launches a missile strike against Costa Rica that kills Hawkman and Hawkgirl, while he orders his forces to open fire on a concert held by "The Superchix". Luthor has Brainiac kill thousands of people in Metropolis in an attempt to discredit superheroes, not caring at all about the innocent lives lost. Luthor later captures Batman and begins torturing him while gloating how the rebellion has given him the perfect opportunity to use his [[KillSat satellite defense network]] to kill most of the world's population and allow him to rule what's left. Lacking any pretenses of helping his fellow man, Lex Luthor is motivated [[ItsAllAboutMe entirely by his lust for power]].

* ''Batman'' Vol. 1 issues #421-422: [[SerialRapist Karl Branneck]] is one half of a duo known as the [[SerialKiller Dumpster Killer]], and the more dominant of the pair compared to the sycophantic Vito. Karl chooses well-off women, hunting them down, before torturing them, raping them and killing them painfully before leaving their remains in dumpsters for others to find. Provoking Batman's attention after a friend of Bruce Wayne's is murdered, Karl obtains ten victims before growing worried about media attention and murdering Vito. After being acquitted, Karl plans to resume his rape, torture and murder spree, targeting two more women, only to fall into the trap of a victim's sister, and dies [[HeManWomanHater cursing women in general]], showing that in Gotham, one does not need a costume or powers to be pure evil.

* ''ComicBook/BatmanEternal'':

* ''[[ComicBook/BatmanVampire Batman: Bloodstorm]]'': [[Characters/BatmanTheJoker The Joker]] himself appears as the central threat in this second story of the ''Batman-Vampire'' trilogy. Immediately seizing the vacuum in power over the remaining Gotham vampires left by Dracula's demise, Joker sets up savage massacres of criminal gangs to seize their assets and make himself stronger, converting every person murdered into a vampire under his command. Joker intends to kill and convert every single person within Gotham City and attack the rest of the nation with his army whilst basking in the power it brings him. Confronted by the now-vampiric Batman, Joker strangles a priest to death [[ForTheEvulz for a chuckle]] and sets up a trap in a church for Batman, directly murdering his companion Selina Kyle in a failed attempted to shoot Batman down. Joker's actions cause Batman to snap, succumb to his bloodlust, and murder the psychopath himself, resulting in Batman becoming a feral KnightTemplar as Joker's posthumous last laugh. As always, the Joker has [[LaughablyEvil a penchant for twisted wit and depthless charm]] whilst committing horrific atrocities for little more than amusement, and manages to outdo Dracula himself in wickedness [[HumansAreTheRealMonsters despite never even becoming a vampire himself]].
* ''Batman: Book of the Dead'', written by Creator/DougMoench: [[GodOfEvil Set, the God of Darkness]], seeks to sabotage Osiris's plan of granting humans the supreme knowledge of the gods. Hoping to kill Osiris and shroud the world in darkness in order to keep the humans as slaves, Set also desires to make Isis his trophy wife after killing her husband, even killing one of his underlings for speaking out against his plans.
* ''Batman: Castle of the Bat'', by Jack C. Harris, Bo Hampton, & Tracy Hampton-Munsey: The depraved [[MadDoctor Dr. Seltsam]] discovered a fluid that can preserve dead bodies, having countless people killed by [[HumanResources extracting its main ingredient]] from their brains and storing enough jars containing the fluid and body parts to fill entire anatomical vaults. Dr. Seltsam has the highwayman Van Klooster murder Thomas Wayne and his wife when the former opposes his research, [[ColdBloodedTorture tortures]] Van Klooster in preparation for extracting the fluid's main ingredient, and attempts to [[HighVoltageDeath electrocute]] Bruce's creation the Bat-Man, who is actually the resurrected Thomas, to death.

* ''Batman: Dark Knight of the Round Table'', by Bob Layton, Dick Giordano, et al.: [[Characters/BatmanRasAlGhul Ra's al Ghul]], the Demon's Head, is an Eastern warlord who seeks to annihilate all of Christendom. Cornering Myth/KingArthur and intending to kill him and all his men before [[RapePillageAndBurn slaughtering]] his way through Arthur's kingdom, Ra's gives his soldiers drinks as a "[[BadBoss reward]]", but instead turns them into zombified soldiers who will fight without fear, rest, or self-preservation in a process that causes nothing but searing agony before Ra's marches them on for their bloody work.

* ''ComicBook/BatmanDetectiveNo27'': [[ArchnemesisDad Dr. Thomas Wayne]] is a [[AdaptationalVillainy cruel, fanatical leader]] of the Confederate group known as the Knights of the Golden Circle. Thomas [[TilMurderDoUsPart orchestrates the death of his wife Martha]] just to fake his own death, and leaves his young son Bruce alive solely to serve as an eyewitness. Developing a plant-based fear toxin, Thomas uses it to brainwash people into serving him, hoping to unleash the toxin at a baseball game and drive the tens of thousands of civilians attending into violent frenzies and kill one another. When his plans are exposed, Thomas murders one of his CoDragons, tries to kill his son Bruce, and nearly douses the President of the United States with his toxin, uncaring that it could cause a world war so long as he completes his mission of getting revenge on the Northern states for defeating the Confederates in the [[UsefulNotes/TheAmericanCivilWar Civil War]].
* ''Batman: Gotham Noir'', by Creator/EdBrubaker et al.:
** [[MayorPain Mayor Artie DeHaven]] is a CorruptPolitician who came to power through murder and extortion. Able and willing to kill anyone and everyone who stands in his way, from his own hired guns to officials trying to expose him, [=DeHaven=]'s most despicable crime is turning the young Rachel into his personal SexSlave and hooker from the time she was 13, using her to blackmail those he forced her to have sex with. When Rachel and James Gordon try to expose his wicked ways, [=DeHaven=] has Rachel killed and frames Gordon for it, threatening the man's wife and child to keep him in line before kickstarting a shoot-out in a night club in an attempt to kill his final competition, Tony Zucco.
** Jack Napier starts out as one of [=DeHaven=]'s lieutenants, secretly snitching on his boss to attorney Harvey Dent to maintain his own side operations. However, after Gordon lets slip Napier's status as a mole and [=DeHaven=] slashes Napier's cheeks and leaves him for dead, Napier returns much worse. Now in an insane rage towards Gordon, Napier shoots his way out of a hospital, killing many people, before kidnapping Gordon's wife and child. Murdering a security guard, Napier strings up Gordon's family, planning to murder them, and, even after being beaten, tries to [[WouldHurtAChild gun down a little girl]] as a final spiteful move towards Gordon.
* ''ComicBook/BatmanHolyTerror'': [[CategoryTraitor Dr. Saul Erdel]], the [[MadScientist head scientist]] of Star Chamber, is an amoral mad scientist studying the "para-gene" for the purposes of the theocratic state. To activate the gene after witnessing its effects in the former scientist Barry Allen, Erdel has dozens of people with the gene kidnapped and experimented on, resulting in all of his subjects afflicted with varying states of trauma, insanity, BodyHorror, and mental and physical deformation--including a [[WouldHurtAChild three-year-old]] he induced rapid aging in to the point of eventual death and a merman he forcefully mated with another mermaid, leading to the mermaid's death in childbirth and the resulting children all being born as agony-stricken mutations. Disintegrating even his favorite project Barry once he stands up, Erdel's most powerful specimen is an alien he calls the Green Man, whom he raised under experimentation and eventually killed via exposure to Kryptonite once he grows too strong, showing Batman the Green Man's body with the sole purpose of breaking his hope with a proud smile on his face the whole while.

* ''ComicBook/BatmanInDarkestKnight'': In this comic about Batman being a Franchise/GreenLantern instead of Hal Jordan, [[Characters/GreenLanternThaalSinestro Sinestro]] is a Green Lantern from Planet Korugar in Sector 1417 who ended up becoming a [[PlanetBaron tyrant of said planet]]. Deposed to Planet Qward by Batman and the Guardians of the Universe, Sinestro then developed a personal vendetta against Batman. Gaining the power of the yellow ring from one of the aliens from Planet Qward, he then infiltrates Gotham's police station to gain more information of Batman's past life and murders the Commissioner, James Gordon, in order to get rid of the witness. After gaining the information, he then murders the wife of Batman's parents' killer, Joe Chill, and then absorbs Joe's mind. He also turns the two acquaintances of Batman into his minions and then destroys several planets in order to incriminate Batman. Sinestro also attacks the Batcave in order to tamper with Batman's power source which resulted on Batman's butler, Alfred, becoming mortally wounded.
* ''Batman: Leatherwing'', by Creator/ChuckDixon, Enrique Alcatena, et al.: [[Characters/BatmanTheJoker The Laughing Man]], the steadfast ArchEnemy of Captain Leatherwing, is a wickedly sophisticated pirate who makes a name for himself with [[RapePillageAndBurn slaughterous piracy]] so brutal it earns him rumor that he was the Devil's first mate. [[EstablishingCharacterMoment He introduces himself]] killing the crew of a Spanish ship, sinking it, and joyfully tormenting its sole survivor with a cannon during interrogation for the location of the elusive Bat's Cay, later tying up the man to use for target practice. Winning the favor of [[Characters/CatwomanSelinaKyle Capitana Felina]] by slaughtering her rebellious men, the Laughing Man has Felina seduce Leatherwing to coax the location of the Cay out of him and later furiously vows to slaughter her and all his enemies in a tide of bloodshed during the final battle, even shooting Leatherwing's young friend Robin Redblade in his mad cause to kill Leatherwing and eat his heart.
* ''Batman: Nosferatu'', by Randy & Jean-Marc Lofficier, et al.: [[PsychoPsychologist Dr. Arkham]] is the fiendish ruler of the [[BedlamHouse asylum]] in the aftermath of the death of [[ComicBook/LexLuthor Lutor]]. Mistreating and tormenting his patients, he has possession of the monstrous Laughing Man that he uses to kill anyone inconvenient. Arkham sends the Laughing Man to murder First Eschevin Gord-son, and later has Dirk Gray-son killed as well. Upon Bruss Wayn-son discovering his schemes, Arkham has him thrown to his seeming death and attempts to have Gord-son's daughter Barbara murdered. Keeping and torturing countless souls in his asylum, Arkham intends on eventually spreading his works to all of [[Franchise/{{Superman}} Metropolis]] to "cure" them.

* ''Batman: Reign of Terror'', written by Mike W. Barr: [[ArchnemesisDad Thomas Wayne]] is a [[KnightTemplar fanatical adherent]] to [[UsefulNotes/MaximilienRobespierre Robespierre]]'s Jacobin tyranny over France. Serving as a council member for the Jacobins and helping to perpetuate the [[KillThePoor systematic oppression and execution of lower-class citizens]], Wayne showcases his brutality when he viciously tortures and murders a captured rebel against Robespierre, Wayne carving out the man's eyes and tongue before killing him. When Wayne's own family is implicated in rebel activity, Wayne signs off for them all to be decapitated, then uses his own daughter as a hostage to try to [[PaterFamilicide gun down his wife and kids]] personally, willing to do anything to maintain his power.
* ''Batman: The Blue, the Grey, and the Bat'', by Creator/ElliotSMaggin, Alan Weiss, et al.: [[InsaneAdmiral Robert Arnold Armstrong, aka "Bloody Bob"]], is a [[UsefulNotes/TheAmericanCivilWar Confederate]] general who leads a group of bandits in [[RapePillageAndBurn terrorizing]] the Nevada territories. Regularly killing people for money or capturing innocents to be [[SlaveryIsASpecialKindOfEvil sold into slavery]], Bloody Bob plans to invade Virginia City and shoot anyone in his way to rounding up all the riches he can carry. So proud of his kills that he scalps his personal victims and mounts them as trophies on his horse's bridle, Bloody Bob boasts over a half-dozen scalps in his possession, one of which belongs to the heroic Redwing's mother, who Bloody Bob [[YouKilledMyFather murdered alongside her husband]] years ago, with Redwing having only escaping with his life due to hiding from Bloody Bob's sight.
* ''ComicBook/BatmanTheDoomThatCameToGotham'': [[Characters/BatmanRasAlGhul Ra's al Ghul]] is [[AdaptationalVillainy imagined here]] as a stand-in for [[Characters/CthulhuMythos Abdul Alhazred, the Mad Arab]]. Having written the [[TomeOfEldritchLore Testament of Ghul]] years back and having been rent apart by an invisible beast afterwards, Ra's is resurrected by his daughter Talia and he immediately returns to business, drowning Gotham in a sea of reptiles and proclaiming Bruce Wayne their first victim. Now a faithful servant of the [[EldritchAbomination eldritch god Iog-Sotha]], Ra's hopes to allow Iog-Sotha passage into the world to end all humanity and begins arranging the material for its passage through, tearing through the now-mad Grendon and leaving him to slowly freeze to death whilst having a plant demon he creates from Grendon's seed to assassinate Oliver Queen and nearly murder the young Tim Drake. Afterwards, Ra's has Harvey Dent subjected to a horrific, painful mutation that eventually renders Harvey immobile and twists half his body into a gate through which Ra's attempts to draw Iog-Sotha forth through. Ra's mutates his own form in his final, furious attempt to slay Bruce, fanatically claiming that a "million million" souls will follow Bruce into Hell when Iog-Sotha makes its crossing.
* ''ComicBook/BatmanThrillkiller'': Bianca Steeplechase is a ruthless gangster known as "[[Characters/BatmanTheJoker the Joker]]". As a message to those trailing her activities, Bianca has Robin's family and informant Selina Kyle killed. When Batgirl and Robin confront her, Bianca kills Robin in front of Batgirl and mocks her about his death. After escaping, Bianca resurfaces as the wife of a mayoral candidate and works with former Nazi scientist, Otto Saunders, to produce a dangerous and highly addictive drug. Ultimately hoping to rule Gotham politically by using her husband, while she gets rich off a drug epidemic, Bianca is a power-hungry monster.

* ''ComicBook/BatmanBeyond'''s "10,000 Clowns" arc: [[AxCrazy Douglas Tan]] is a disturbed youth obsessed with [[Characters/DCAUJoker The Joker]] and his carnage, and dedicates himself to [[StrawNihilist proving the fundamental meaningless of life]] and becoming the Joker's own SuperiorSuccessor. Fashioning himself "the Joker King", Douglas drugs dozens of Jokerz from around the nation into becoming [[SuicideAttack suicide bombers]], using them to wreak havoc across Gotham and cause thousands of deaths in an attempt to destroy the city, murdering his own best friend on a random whim just before the destruction starts. Douglas eventually decides to murder his entire family too, attempting to kill his comatose father in the hospital and only hesitating when his sister steps in the way--before deciding without another second of hesitation to kill her too.

* ''Batman: The Ultimate Evil'', by Andrew Vachss: [[BigBad William X. Malady]] is the leader of a [[WouldHurtAChild child pornography ring]]. When Thomas and Martha Wayne started investigating his crimes, Malady hires a killer to gun them down, after which he fled to Gotham City. Taking up residence in the foreign country of Udon Khai, Malady immediately installs a private military group that he uses to regularly kidnap innocent children from poor villagers to use them as {{sex slave}}s and selling them to pedophiles all across the world. In order to prevent moles from infiltrating his organization, he has instituted an initiation protocol where, if one wishes to gain access, they must rape a child on film.

* [[Characters/BatmanTheJoker The Joker]], a sadistic MonsterClown with a MultipleChoicePast, is Batman's ArchEnemy. Over the course of his long career, despite being mostly without superpowers, he has: crippled Barbara Gordon and tried to [[MindRape psychologically torture]] her father into madness; sold nuclear weapons to terrorists; savagely beat Jason Todd with a crowbar, then killed him and Jason's mother with a time bomb; repeatedly [[DomesticAbuse emotionally and physically abused his girlfriend]], Harley Quinn, going so far as to try to kill her multiple times; attempted to infect the entire world by poisoning the atmosphere with Joker-venom when he believed he was dying; tried to kill every newborn baby in Gotham in order to break the city's spirit, killing Commissioner Gordon's second wife, Sarah Essen, in the process; and stealing the powers of Mister Mxyzptlk, becoming a nigh-omnipotent god-like being who turned the world into a hellish caricature of itself, tortured Batman to death only to revive him and repeat the process continuously until Batman was driven insane, devouring everyone in China, and [[OmnicidalManiac attempting to wipe out all of existence]]. The Joker's sole motivation, in committing every crime there is, is amusement, based on what his [[EvilHasABadSenseOfHumor disturbed sense of humor deems funny]].

* ''[[Podcast/BatmanTheBlindCut The Blind Cut]]'' can be found [[Monster/{{Podcasts}} here]].

* Examples from films can be found [[Monster/FilmAToB here]] [[labelnote:Specifically]]''Film/BatmanFilmSeries''[[/labelnote]]; [[Monster/FilmC here]] [[labelnote:Specifically]]''Film/Catwoman2004''[[/labelnote]]; and [[Monster/FilmDToE here]] [[labelnote:Specifically]]''Film/TheDarkKnight'', & the Franchise/DCExtendedUniverse[[/labelnote]].

* Examples from films can be found [[Monster/FilmAToB here]] [[labelnote:Specifically]]''Film/BatmanFilmSeries''[[/labelnote]]; [[Monster/FilmC here]] for [[labelnote:Specifically]]''Film/Catwoman2004''[[/labelnote]]; and [[Monster/FilmDToE here]] [[labelnote:Specifically]]''Film/TheDarkKnight'', & the Franchise/DCExtendedUniverse[[/labelnote]].

* Examples from films can be found [[Monster/FilmAToB here]] for the ''Film/BatmanFilmSeries''; and [[Monster/FilmCToE here]] for ''Film/Catwoman2004'', ''Film/TheDarkKnight'', & the Franchise/DCExtendedUniverse.

* ''Radio/TheShadow[=/=]Batman'', by Steve Orlando, Giovanni Timpano, et al.: [[CardCarryingVillain Shiwan Khan]], the Shadow's ArchEnemy, is a descendant of UsefulNotes/GenghisKhan and a cunning psychic who is the most evil student to emerge from Shamba-La. One of the leaders of the Silent Seven alongside ComicBook/RasAlGhul, Shiwan Khan assists in "culling" the human population and keeping a control over the numbers to [[TakeOverTheWorld dominate the world]]. Lacking his partner's well-intentioned goals, Shiwan resurrects others as slaves, mentally torturing Batman and the Shadow, physically torturing the latter as well before even reviving one of his friends and killing him in front of the Shadow. Happily destroying all in his path, Shiwan Khan is a man who sees the evil lurking in the hearts of men, only to enjoy it in his quest to rule it.

* ''Batman: The Doom that Came to Gotham'', by Mike Mignola, Richard Pace, et al.: ComicBook/RasAlGhul is [[AdaptationalVillainy imagined here]] as a stand-in for [[Characters/CthulhuMythos Abdul Alhazred, the Mad Arab]]. Having written the [[TomeOfEldritchLore Testament of Ghul]] years back and having been rent apart by an invisible beast afterwards, Ra's is resurrected by his daughter Talia and he immediately returns to business, drowning Gotham in a sea of reptiles and proclaiming Bruce Wayne their first victim. Now a faithful servant of the [[EldritchAbomination eldritch god Iog-Sotha]], Ra's hopes to allow Iog-Sotha passage into the world to end all humanity and begins arranging the material for its passage through, tearing through the now-mad Grendon and leaving him to slowly freeze to death whilst having a plant demon he creates from Grendon's seed to assassinate Oliver Queen and nearly murder the young Tim Drake. Afterwards, Ra's has Harvey Dent subjected to a horrific, painful mutation that eventually renders Harvey immobile and twists half his body into a gate through which Ra's attempts to draw Iog-Sotha forth through. Ra's mutates his own form in his final, furious attempt to slay Bruce, fanatically claiming that a "million million" souls will follow Bruce into Hell when Iog-Sotha makes its crossing.

* ''Batman: In Darkest Knight'', by Mike W. Barr, Jerry Bingham, et al.: In this comic about Batman being a Franchise/GreenLantern instead of Hal Jordan, [[Characters/GreenLanternThaalSinestro Sinestro]] is a Green Lantern from Planet Korugar in Sector 1417 who ended up becoming a [[PlanetBaron tyrant of said planet]]. Deposed to Planet Qward by Batman and the Guardians of the Universe, Sinestro then developed a personal vendetta against Batman. Gaining the power of the yellow ring from one of the aliens from Planet Qward, he then infiltrates Gotham's police station to gain more information of Batman's past life and murders the Commissioner, James Gordon, in order to get rid of the witness. After gaining the information, he then murders the wife of Batman's parents' killer, Joe Chill, and then absorbs Joe's mind. He also turns the two acquaintances of Batman into his minions and then destroys several planets in order to incriminate Batman. Sinestro also attacks the Batcave in order to tamper with Batman's power source which resulted on Batman's butler, Alfred, becoming mortally wounded.

* ''[[Podcast/BatmanTheBlindCut The Blind Cut]]'' can be found [[Monster/{{Podcast}} here]].

* ''[[Podcast/BatmanTheBlindCut The Blind Cut]]'' can be found [[Monster/WebOriginal here]].

* An early script for ''[[Film/BatmanVSupermanDawnOfJustice Batman vs. Superman]]'' can be found [[Monster/{{Scripts}} here]].

* The ''Dark Nights'' saga (''[[ComicBook/DarkNightsMetal Metal]]'', ''[[ComicBook/DarkNightsDeathMetal Death Metal]]'', and related works) can be found [[Monster/DCUniverse here]] (ComicBook/DCRebirth section).

* Abattoir, real name Arnold Etkar, born Arnold Etchison, is a psychotic, prolific murderer who mainly targets family members, believing them to be evil, and believes he will eat their souls. In his second appearance, as part of a ritual he believes will grant him great power, Abattoir and his associates blow up the Gotham Bridge as a train is crossing, which would have killed thousands. Despite being captured yet again, Abattoir is one of the residents of Arkham Asylum who are [[ComicBook/{{Knightfall}} broken out by Bane]]. After killing a family, he goes after his cousin Graham, hijacking a [[BusFullOfInnocents bus]] Graham and 12 orphans are on, planning to kill them all. Batman saves them, but Abattoir escapes, kidnapping the child of [[Characters/BatmanClayface Clayface]] III and Lady Clayface to force them to help him. Abattoir eventually kidnaps Graham, and places him in a sadistic DeathTrap, which eventually results in Graham suffering an agonizing, hours-long death. Even as a spirit, his evil lives on; in [[Characters/{{Azrael}} Jean-Paul Valley]]'s old armor, he tries to induce a miscarriage in his niece to possess the unborn baby's body.

* Abattoir, real name Arnold Etkar, born Arnold Etchison, is a psychotic, prolific SerialKiller who mainly targets family members, believing them to be evil, and believes he will eat their souls. In his second appearance, as part of a ritual he believes will grant him great power, Abattoir and his associates blow up the Gotham Bridge as a train is crossing, which would have killed thousands. Despite being captured yet again, Abattoir is one of the residents of Arkham Asylum who are [[ComicBook/{{Knightfall}} broken out by Bane]]. After killing a family, he goes after his cousin Graham, hijacking a [[BusFullOfInnocents bus]] Graham and 12 orphans are on, planning to kill them all. Batman saves them, but Abattoir escapes, kidnapping the child of Clayface III and Lady Clayface to force them to help him. Abattoir eventually kidnaps Graham, and places him in a sadistic DeathTrap, which eventually results in Graham suffering an agonizing, hours-long death. Even as a spirit, his evil lives on; in [[Characters/{{Azrael}} Jean-Paul Valley]]'s old armor, he tries to induce a miscarriage in his niece to possess the unborn baby's body.