Sideshow Bob From The Simpsons File

Sideshow Bob, also known as Robert Underdunk Terwilliger Jr., is a fictional character in The Simpsons. He is a genius-level intellect, a mastermind, and a nemesis to the show's main character, Homer Simpson. Voiced by Kelsey Grammer, Sideshow Bob is a charismatic and sophisticated villain who has become a fan favorite.