Bob Terwilliger is obviously one of the keystones ... Some story elements shifted around during production; the original villain of The Simpsons Movie was going to be Hank Scorpio from “You ...

But there’s another Grammer character who’s been around for nearly as long: Sideshow Bob, who debuted in 1990 during the first season of The Simpsons. “You are the king of long runs,” said ...