Because you like Jim Moriarty in Sherlock

A fourth grader without a moral compass, Eric Cartman lives on KFC, Taco Bell, Pizza Hut, and Cheesy Poofs. See them in South Park.

Carl Gallagher is a budding psychopath fascinated with rule breaking. See them in Shameless.

Marty McFly is a skateboarder, aspiring rock star, and reluctant time-traveler. See them in Back to the Future.

Buttercup is a farm girl turned princess who'd do anything to have her old life back. See them in The Princess Bride.

Resourceful and courageous, Chun-Li is dedicated to using her considerable strengths against evil. See them in Street Fighter.

Calling Alicia Florrick a "good wife" is damning this smart, capable, thoughtful woman with too-faint praise. See them in The Good Wife.

Korra is stubborn, outgoing, and faced with huge responsibilities she might not be ready for. See them in The Legend of Korra.

Everyone Barney Stinson knows is getting married or pregnant. But he's just getting more awesome. See them in How I Met Your Mother.

It doesn't matter how noble or brave he is. Jon Snow is a bastard, and people don't let him forget it. See them in Game of Thrones.

An All-American football player, a ping pong star, and a freakishly determined runner, Forrest Gump has a ton of stories to tell. See them in Forrest Gump.

The only thing standing between Rocky Balboa and glory is the person facing him in the boxing ring. See them in Rocky Series.

Bad-ass Rayne has sworn her life to finding and destroying her vampire dad, Kagan, and killing as many other vampires as she can in the bargain. See them in BloodRayne .