What actor who is known for his role in The Pagemaster as well as being the voice of Fred in Scooby Doo, voices the nibbler in Futurama?
The Pagemaster: The Pagemaster is a 1994 American live-action/animated fantasy adventure film starring Macaulay Culkin, Christopher Lloyd, Whoopi Goldberg, Patrick Stewart, Leonard Nimoy, and Frank Welker. Frank Welker:  He is also well known as both the vocal effects and the voice of Nibbler in "Futurama".
i don't know