It’s Always Sunny in Philadelphia: Sweet Dee
Sure, the guys pick on her (mostly for missing part of her scalp and being a woman), but don’t be fooled, she’s as cruel and unapologetic as the rest of them, abusing the welfare system, berating spin instructors, and destroying people’s lives (see Rickety Cricket). Also, she once beat a masturbating homeless man with a bat.
RUNNER-UP: 30 Rock‘s Jenna Maroney — our other favorite blonde sociopath — has almost killed Kenneth twice, is slowly poisoning Jenny McCarthy, ate the pig who played Babe, and truly enjoys humiliating children on national television. This, of course, is only a small sampling of the many morally questionable things we’ve seen her either do or mention in offhand conversation.