18 Greatest Character Rivalries in Television History

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2. Bart Simpson vs. Sideshow Bob, The Simpsons

This is definitely one of the more violent rivalries on this list. These two don't just hate each other, Sideshow Bob (Kelsey Grammer) wants to actively murder Bart (Nancy Cartwright). After Bart gets him sent to jail, the menacing — and shockingly smart Ph.D. recipient — clown sidekick spends all of his energy trying to take Bart down. He even manages to kill him once, but finds himself bored without the cat-and-mouse game and brings him back to life so he can kill him again. Oh, cartoons.