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
Outsider (comics) box and tells the heroes that the box is not magic, but science, that was created on his world and can only be opened by someone from his world. He explains that the box opens a gateway to another universe, his homeworld; the birthplace of evil. It is revealed that The Outsider is actually from Earth-3 and is that world's version of Alfred Pennyworth who works as the butler to Owlman. During the "Forever Evil" storyline, Pandora tries to get answers from the Outsider on how to reopen the portal to Earth-3, but he points out that she is asking