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: Legends of the Dark Knight Mignola, Bill Willingham, Matt Wagner and Marshall Rogers. In 2012, DC Comics revived the series as "Legends of the Dark Knight", a digital-first weekly series. The series is similarly self-contained stories with revolving creative teams. The first issue "The Butler Did It" by Damon Lindelof and Jeff Lemire debuted in June 2012. The original series was published from 1989 to 2007, as "Legends of the Dark Knight" for issues #1–36 and "Batman: Legends of the Dark Knight" for issues #37–214. Seven "Annual"s were also published. Three one-issue Halloween specials, "Fears", "Madness" and "Ghosts", a fourth one-issue special based on the