Grey Ghost
Grey Ghost is a comic book character that first appeared in Batman: Gotham Adventures #18
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Joker First confrontation: Unknown The maniacal Joker is Batman's most dangerous foe. Unpredictable, murderous and surprisingly cunning, the Joker is a threat to both heroes and villains alike. |
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Lex Luthor First confrontation: Unknown Lex Luthor may be one of the most gifted men alive. He is also a sociopath without regard for the pain or suffering of others. His hatred for the Man of Steel makes him Superman's greatest foe. |
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Lex Luthor First confrontation: Unknown DUPE |
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Penguin First confrontation: Unknown Intelligent, rich and sophisticated; the Penguin is a distinctive villain in Batman's gallery of foes. |
