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 must take inhibitor medications or be contained and studied should the medications not work on them. As Bruce was killed during the feud, Alfred was left with his estate and moved to Arizona while allowing Dick Grayson and his son stay in Wayne Manor. Though Alfred did not approve of Grayson's crusade against superhumans after the death of Bruce, Alfred would sometimes pay visits to the former hero. When Grayson discovered that his son Jake was beginning to develop powers, his house was invaded by his own police force the Crusaders to take Jake away. Alfred, refusing to stay idly