Because you like Stephen Hawking in The Theory of Everything

Roger Kint is a nervous, weak, ham-handed criminal. We think. See them in The Usual Suspects.

He's an eccentric pirate making it up as he goes along. He's Jack Sparrow, savvy? See them in Pirates of the Caribbean: the Curse of the Black Pearl.

An intriguing bundle of contradictions, Sawyer Ford trusts no one on the island, and no one should trust him. See them in Lost.

After being resurrected and discovering his new morphing abilities, Alex Mercer uses them to combat the virus now ravaging New York. See them in Prototype Series.

Lexi Howard feels most like herself when she's on stage, but reality always finds a way of pulling her back. See them in Euphoria.

If it means fulfilling her ambitions, Satsuki Kiryuin will show neither shame nor hesitation. See them in Kill la Kill.

When a half-breed breaks the rules, John Constantine deports them straight back to hell. He's trying to buy his way into heaven. See them in Constantine.

Veronica Mars is a sarcastic private eye whose biggest mission is surviving high school. See them in Veronica Mars.

Faith balances her adventurous thrill-seeking attitude with a righteous passion for justice. See them in Mirror's Edge.

After alien Haruko rides in on her Vespa, giant robots spouting from Naota Nandaba's forehead soon become the least of his worries. See them in FLCL.

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).

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