When it comes to creating a mischievous character, a little bit of humor goes a long way. And with this selection of big bads from assorted TV dramas, the occasional joke can help audiences relate to the sinister scoundrels. From Negan's dark, dark humor to Agatha Harkness and her biting sarcasm, here are a few TV villains who used humor as a weapon and made us giggle in the guiltiest way possible.