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Bat-Maniacs

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  • 1st appearance of the second Clayface (Matt Hagen), a scuba diver who had come into contact with a clay-like substance that compromised his molecular structure
  • *previous Clayface upon introduction (Basil Karlo) was an actor who masqueraded as others without any special powers until later
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  • 1st appearance of Scarecrow in the Silver Age, different from the Golden Age version in that he focused on toxins and other scientific means to induce fear
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High $335
  • 1st appearance and origin of Man-Bat, a scientist whose experiment went awry after combining human and bat DNA to cure his own deafness
  • 1st Batgirl and Robin team-up story
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  • 1st appearance of Doctor Phosphorus, a villain who is perpetually on fire after being exposed to massive amounts of radiation
  • 1st appearance of Rupert Thorne, a corrupt politician
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  • 1st appearance of Dr. Death in the Bronze Age, a scientist who develops biological weapons
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  • 1st appearance of Black Mask, a crime boss whose face is a black skull
  • *Ewan McGregor cast in the role of Black Mask in the Birds of Prey movie
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  • 1st appearance of Cornelius Stirk, a cannibal who believes he needs to feed on people's hearts to survive
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  • 1st mention of Barbatos the Bat-God of the Dark Multiverse
  • *Barbatos also claims to be the bat that Bruce Wayne saw on the night he decided to become Batman
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  • 1st appearance of Abattoir, a man who believed he could absorb the life force of those he killed including that of his own family
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  • 1st appearance of Victor Zsasz, a serial killer who carves a tally mark in his skin for every victim he claims
  • *confirmed to appear in Birds of Prey
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  • 1st appearance of Batman as a vampire
  • 1st story in a trilogy of vampire Batman stories
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  • 1st appearance of The Mortician, a villain with the ability to revive corpses
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  • 1st full appearance of Great White Shark, previously Warren White who was mutilated from frostbite after Jane Doe locked him in Mr. Freeze's cell
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  • Special issue set 15 years into the future featuring Damian Wayne as Batman
  • 1st appearance of Professor Pyg, a surgeon who mangles his victim's faces and minds
  • 1st appearance of Flamingo, a flamboyantly dressed assassin who has been known to eat his victims faces
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  • 1st appearance of Jane Doe without a disguise, skinless
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  • 1st appearance of White Rabbit, Jaima Hudson who has the ability to split into two separate bodies
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  • 1st appearance of Dollmaker, a serial killer who makes dolls out of the skin and body parts of his victims
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  • 1st appearance of Mr. Bloom, a provider of seeds that are internalized, temporarily granting a person superpowers but at the cost of their lives
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  • 1st full cameo appearance of the Dark Multiverse Batmen: The Drowned, The Dawnbreaker, The Red Death, The Batman Who Laughs, The Merciless, The Devastator, The Murder Machine
  • 1st appearance of Baby Darkseid
  • *Teen Titans #12 went on sale the same day and also introduces The Batman Who Laughs
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  • 1st appearance and origin of Matthew Warner, a boy obsessed with Bruce Wayne to the point of having his parents killed