Because you like Jacob Jankowski in Water for Elephants

A compassionate medical student, Martha Jones has found a Doctor she can really look up to. See them in Doctor Who.

Catherine Linton was once spontaneous and rowdy but ever since marrying the wealthy Edgar, she has morphed into a boiling pot of emotional outbursts. See them in Wuthering Heights.

A bloodsucker, Carlisle Cullen is actually more likely to give you a blood infusion. See them in Twilight.

Brandon Teena is an adventurous young man with the courage to be himself. See them in Boys Don't Cry.

Sweet, reserved, and intellectual, Cordelia Foxx would do anything for her students. See them in American Horror Story.

As a doctor-in-training, John Dorian should have his head in the game. But most of the time, it's in the clouds. See them in Scrubs.

Jack's big imagination is never limited by his incredibly cramped surroundings. See them in Room.

A sarcastic and nosy tomboy, Stephanie Tanner is understandably not crazy about being the middle child. See them in Full House.

People think Karen Smith is a dumb blonde, but she disagrees and is proud she can predict the weather with her breasts. See them in Mean Girls.

Jasmine dreams of something more than palace life, and she's not afraid to go get it. See them in Aladdin.

Michael Kelso gets by on his good looks and his openhearted nature. See them in That '70s Show.

Sam Montgomery works hard, but her evil stepmother makes sure her efforts don't pay off. See them in A Cinderella Story.