Because you like Billy Costigan in The Departed

With a brilliant mind, an insane level of confidence, and a penchant for drunken dancing, Cristina Yang is a force to be reckoned with. See them in Grey's Anatomy.

A former high school outcast, Rebecca Doppelmeyer is tentatively shaking off her misanthropic personality. See them in Ghost World.

Katsa is a strong-willed young woman with a deadly skill set. See them in Graceling .

Don't mess with Mickey Milkovich unless you want to see the wrong side of one of his many guns. See them in Shameless.

Penelope Garcia is the smartest ex-con turned FBI tech, but her fashion never fails to raise eyebrows. See them in Criminal Minds.

Just because he rules Hades, doesn't mean he can't be fun! See them in Hercules.

Toph is a tenacious earthbender full of spirit and spunk and hates when people try to baby her because she's blind. See them in Avatar: The Last Airbender.

Imperator Furiosa is a badass patriarchy toppler. She'll do anything to secure a better, freer future for the women she cares for. See them in Mad Max: Fury Road.

Jesse Tuck dreams of finding someone to join his unusual family. See them in Tuck Everlasting.

Through raised to be a gentleman, Laurie has a mischievous sense of humor. See them in Little Women.

Bolin is making jokes and pursuing fun and adventure. See them in The Legend of Korra.

Can you be reckless and still be in control? Neil McCormick hopes so. See them in Mysterious Skin.