The (Bad) Hair Club for (Bad) Men: Javier Bardem, Brad Pitt, Will Ferrell and more members

Snape's dark, lank, greasy hair seemed to signal an equally dark, lank, greasy soul -- but a hero lurked underneath those locks. In fact, if Snape had learned to lather, rinse and repeat, Harry would probably have figured out his better nature before it was too late.