TV villain Sideshow Bob has become an iconic character in The Simpsons since he first debuted in 1990, but it nearly wasn't the Frasier star Kelsey Grammer voicing him. Sideshow Bob is known for his undeterred hatred for Bart, after Bart figured out that Bob had framed Krusty for a robbery and rightfully had Bob sent to prison.
Behind bars, Bob plotted to kill Bart as revenge for having him locked away. Bob's smoothly eloquent voice mixed with his murderous tendencies renders him a uniquely
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