The voice of the Mad Hatter in Batman: The Animated Series, McDowall previously portrayed The March Hare in a 1985 television adaptation of Alice In Wonderland. He also played the Bookworm in the 1960s version of Batman starring Adam West as the title character, making him the only actor to play a villain in both that series and the DCAU. This article is a stub. You can help the DC Animated Universe Wiki by [ expanding it].