Because you like Derek Shepherd in Grey's Anatomy

George Costanza is short, stocky, bald, neurotic, and the self-proclaimed "king of the idiots." See them in Seinfeld.

This is not a democracy. According to Torrance Shipman, it's a "cheerocracy." See them in Bring It On.

Lazy and cynical‚ Bernard Black is the ultimate curmudgeon. See them in Black Books.

Mr. Pink doesn't tip. Enough said. See them in Reservoir Dogs.

Quint is a grizzled shark hunter with a love of the sea. See them in Jaws.

A courageous boy robot, Mega Man is dedicated to achieving everlasting peace. See them in Mega Man.

Tyler Gage is going to have to step up soon on the dance floor. Otherwise, it's back to janitorial work. See them in Step Up.

Charming and enigmatic, Amy Dunne takes her love for puzzles to a cunning new level. See them in Gone Girl.

Noah Calhoun is lost without Allie, who seems to have moved on. See them in The Notebook.

Needles Kane says shut up and bleed. See them in Twisted Metal .

Michaelangelo is an above-ground crime-fighter by night, and a pizza-eating, sewer-dwelling mutant ninja turtle by day. See them in Teenage Mutant Ninja Turtles.

A baker turned reluctant fighter, Peeta Mellark can charm his way out of just about any situation. See them in The Hunger Games .