Batman (serial) Wayne Manor butler. The serial's storyline involves the Batman, a secret U. S. government agent, attempting to defeat the sabotage schemes of Japanese agent Dr. Daka operating in Gotham City at the height of World War II. Serving Daka are his traitorous American henchmen. "Batman" is notable for being the first appearance on film of Batman and for debuting serial story details that quickly became permanent parts of the Batman comic's mythos: the Bat's Cave and its secret entrance through a grandfather clock inside Wayne Manor. The serial also changed the course of how Alfred Pennyworth's physical appearance was depicted
Batman: The Animated Series as the Mad Hatter, David Warner as Ra's al Ghul, Michael York as Count Vertigo, Kate Mulgrew as Red Claw, George Murdock as and George Dzundza as the Ventriloquist. One of the series' best-known inventions is the Joker's assistant, Harley Quinn, who became so popular that DC Comics later added her to mainstream Batman comic book continuity. The Penguin underwent change for the series; his appearance was remodeled after the version seen in "Batman Returns", which was in production simultaneously with the series' first season. New life was also given to lesser-known characters for the series such as the Clock