Batman an occasional ally and romantic interest), the Penguin, Ra's al Ghul, Two-Face, the Riddler, the Scarecrow, Mr. Freeze, Poison Ivy, Harley Quinn, Bane, Clayface, and Killer Croc among others. Many of Batman's adversaries are often psychiatric patients at Arkham Asylum. Batman's butler, Alfred Pennyworth, first appeared in "Batman" #16 (1943). He serves as Bruce Wayne's loyal father figure and is one of the few persons to know his secret identity. Alfred raised Bruce after his parents' death and knows him on a very personal level. He is sometimes portrayed as a sidekick to Batman and the only other resident of
Batman: The Animated Series (video game) villains from the TV series appear as bosses: List of Batman video games Batman: The Animated Series (video game) Batman: The Animated Series is a side-scrolling action game by Konami released for the Game Boy in based on the . A Super NES version was also planned, but the game was ultimately released under the title "The Adventures of Batman & Robin" due to the show undergoing a title change between seasons. The game is an action-adventure platformer. The player can switch between Batman or Robin to gain access to character-specific abilities. Batman uses a grappling hook to scale heights,