Because you like Katara in Avatar: The Last Airbender

Manipulative, gorgeous, and sharp as a tack, Blair Waldorf is a classic product of the Upper East Side. See them in Gossip Girl.

This high school queen bee has everything, including a genius-level IQ—a fact Lydia Martin keeps hidden to maintain her image. See them in Teen Wolf.

Dimitri Belikov is a stoic vampire guardian who has the reserve, focus, and discipline of a soldier. See them in Vampire Academy .

Sterling Archer is a fun-loving, car-driving spy extraordinaire. But one can tell his mother didn't hug him as a child. See them in Archer.

Academics weren't his strong suit. Luckily, Jesse Pinkman's street smarts are a cut above the rest. See them in Breaking Bad.

Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.

Shaun is used to being lazy. And now, you're asking him to fight for his life? See them in Shaun of the Dead.

Eleanor puts up a tough front, even when everyone else tries to tear her down. See them in Eleanor and Park .

It's easy for Brian O'Conner to fake his way into the world of extreme racing because he's been popping cars since his teenage years. See them in The Fast and the Furious.

Chandler Bings keeps his friends on their toes with his cutting wit, all the while trying to discover his own place in life. Could he BE any funnier? See them in Friends.

Fun and feisty on the outside, Meredith Grey is dark and twisty on the inside. See them in Grey's Anatomy.