Because you like Nymphadora Tonks in Harry Potter Series

Those who stand against this singular super ninja are doomed to fail. See them in Ninja Gaiden.

He may be one of the Four Horsemen of the Apocalypse, but War still maintains a strong sense of honor. See them in Darksiders Series.

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

With an incredible ability to fake a smile, Selina Meyer is a gifted politician serving as Vice President. And maybe one day the President will actually call her. See them in Veep.

While Alan Garner is loyal to his new friends, his efforts to help them often do more harm than good. See them in The Hangover.

Herion is Mark Renton's favorite drug. He sniffs it, smokes it, swallows it, sticks it up his arse, and injects it into his veins. See them in Trainspotting.

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

Ace pilot Asuka Langley Soryu is confident, haughty, and a little less grown-up than she pretends to be. See them in Neon Genesis Evangelion.

It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.

Much more than just "Coach Taylor's wife," Tami Taylor is making herself known in town as a caring, persistent guidance counselor. See them in Friday Night Lights (TV).

If this slick ad man doesn't like the conversation, he changes it—while drinking and smoking. See them in Mad Men.

Quentin has his whole life mapped out. It might sound boring, but he likes boring. See them in Paper Towns.