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
Alfred Pennyworth thoughts being to consider how utterly proper it is that he should die as Wayne Manor ceases to exist. In the sequel, "", the Batcave computer has been programmed with an artificial intelligence named and apparently patterned after Alfred, to the point that it refers to Bruce as "Sir". Alfred appears as a main character in Geoff Johns' and Gary Frank's "". In this incarnation, Alfred was a member of the Royal Marines. Alfred met Thomas Wayne during a tour of duty in the Middle East and the two became good friends. During a battle, Alfred saved Thomas' life but