Robert Underdunk Terwilliger
Wikisimpsons - The Simpsons Wiki
Revision as of 14:57, July 7, 2006 by ZeldaFanAlpha (talk)
Sideshow Bob
Played by Kelsey Grammar.
Sideshow bob is a criminal who has been on the Simpsons for 15 episodes. He was originally Krustys sidekick until he framed him until Bart found out. He is Bart's Arch-nemesis.
