Which makes it all the more strange that one of the show’s most well-known characters was absolutely nowhere to be found in The Simpsons Movie: Bart’s mortal enemy Dr. Demento Sideshow Bob.

But these episodes in Grammer's life actually did come in handy when it came to him playing another of his most beloved characters: Sideshow Bob on "The Simpsons." Sideshow Bob episodes are among ...

Read more: The Simpsons Showrunner Admits ... but for the generation below that character's fans, he will always be Sideshow Bob — or Beast from the X-Men. Some actors have a niche.

I grew up on The Simpsons and your character, Sideshow Bob, is an iconic part of the show. Do you have any particular highlights from your years of voicing Bob? The initial response to Sideshow ...