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 Lego Batman Movie being footage from a live-action shot of Adam West's depiction of Batman in the 1960s "Batman" series and a picture of Batman's suit from "Batman and Robin". Climactic events from past Batman films including the Joker have been mentioned, including "that time with the parade and the Prince music" (1989's "Batman") and "the two boats" ("The Dark Knight"). Alongside Joker, the main antagonist of the film's story, and Superman, who features heavily and has notable links to the Christopher Reeve films "Superman" (1978) and its sequel "Superman II" (1980), many other DC characters, both villains associated with Batman and other