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
The Batman Adventures Metropolis), and Tim seeks to honor his father's dying wish. Batman trained Tim into Robin to save him from a life of crime. Two-Face was captured and Batman took in Tim as his second ward. Book Five: Dick joins an expedition to find a group of Tibetan monks who have lost an artifact, agreeing to recover the artifact in exchange for their secret of flight (the winged costume). He succeeds in gaining the artifact back from Ra's al Ghul. Succeeding, he visits Batman and reveals his new identity of Nightwing to him, Alfred, Batgirl, and Robin. A new series based