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Robert Knepper, 'Prison Break'
"Prison Break," FOX
You know him as: One-handed pedophile and jailbird T-Bag
Why we like him: Theodore Bagwell is one of television's nastiest characters, a cunning and remorseless predator. His crimes are reprehensible and unforgivable and he just keeps piling up fresh corpses in his wake. Why is it, then, that if T-Bag became the latest Fox River escapee to take a dirt nap, we'd be really sad to see him go?
Where else you've seen him: Knepper's TV credits included "Carnivale" and "Presidio Med," well as features like "Hostage" and "Good Night, and Good Luck"