Mon, June 22, 2026 at 12:45 PM UTC The Joker smiling and pointing a finger - DC/YouTube It's one of the most iconic vocal performances in the history of animation: Mark Hamill's rendition of Gotham City's Clown Prince of Crime, The Joker. For viewers of "Batman: The Animated Series" and other projects where Hamill has stepped in to voice the Man Who Laughs, it can be difficult to read "Batman" comics without hearing his distinctive voice for all of Joker's dialogue.