Sideshow Bob, formally known as Dr. Robert Underdunk Terwilliger Jr., PhD, is one of The Simpsons' most adored villains. He's sophisticated, persnickety, has a penchant for high culture, and an ...

Kelsey Grammer has played Sideshow Bob on The Simpsons for a heck of a long time at this point. Nowhere near his 20 years as Frasier across several shows, but he’s coming in at a nice clip as ...