George DiCenzo (b. April 21, 1940 - d. August 9, 2010) voiced Ubu for the animated series Batman. He took over the role from Manu Tupou and was succeded by Michael Horse.
(External Links: The actor's entries on IMDb and Wikipedia)

Selected Filmography

Series/Episode Date Role
Batman 1992-1996
     "The Demon's Quest, Part II" May 4, 1993 Ubu
     "Avatar" May 9, 1994 Ubu