Michael Ealy plays a smooth stranger-turned-psycho stalker in "The Perfect Guy," one of the season's most anticipated thrillers, but he's far from the first charming creepster to grace the big screen and he likely won't be the last.

So, to honor the underrated and highly entertaining sub-genre, we've compiled a list of 15 of our favorite crazy-ass movie stalkers who vary in size, shape, gender, motive, and degree of insanity, but share one very important trait: a violent, terrifying, and generally entertaining obsession.

Also, they almost always kill the family pet...