Because you like Katara in Avatar: The Last Airbender

Did he ever tell you the definition of insanity? Just wait, and this psychopath will do just that. See them in Far Cry 3.

A gruff and hardened professional, Marcus Fenix keeps his emotions buried deep. See them in Gears of War.

Though cynical about the world, Shuya Nanahara is caring and protective towards his friends. See them in Battle Royale.

John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.

Christopher Turk is bringing his A-game to his next big challenge: becoming a surgeon. See them in Scrubs.

People think that because Tris is small, or a girl, or a Stiff, she can't possibly be cruel. But they're wrong. See them in Divergent.

Dominic Toretto lives his life "a quarter mile at a time", and he burns through those miles faster than anyone. See them in The Fast and the Furious.

Adults call him troubled and kids call him crazy, but Donnie Darko is too busy following the instructions of a giant bunny rabbit to care. See them in Donnie Darko.

A Berlin-based locksmith by day, Wolfgang Bogdanow is a world-class thief by night. He can also see out of other people's eyes, but that's a different issue. See them in Sense8.

Tracy Turnblad's got rhythm, and she's determined to share her dance moves with the world. See them in Hairspray.

Aiden Pearce is a hacker who knows how dangerous the world can be, both online and off. See them in Watch Dogs.

Don't worry about this forensic scientist offing you unless you're a serial killer yourself. (You're not, right? Just checking.) See them in Dexter.