Because you like Amy Pond in Doctor Who

A 100-plus-year-old who looks like a dreamy teenager, Edward Cullen warns girls to avoid him, which makes them want him even more. See them in Twilight.

John Bender's interests include marijuana, fighting, and breaking the rules. See them in The Breakfast Club.

Melinda May is a woman of few words and many talents. Most of them martial. See them in Marvel Cinematic Universe.

Not a great influence with her classmates, this 13-year-old "cool girl" likes to shoplift, chug alcohol, and snort crushed pills. See them in thirteen.

Simba just can't wait to be king, but he's got a lot of growing up to do first. See them in The Lion King.

If you hang out with Bender in cool dive bars in 31st century New York, make sure you're on his "Do Not Kill" list. See them in Futurama.

A lone wolf with a confrontational streak, Bigby wants to dedicate his life to doing good. See them in The Wolf Among Us.

When it comes to dancing and life, nobody puts Frances Houseman in the corner. See them in Dirty Dancing.

Jax Teller can be cool or vengeful, calm or wrathful, depending on the situation. See them in Sons of Anarchy.

Ethan Hunt's mission, should he chose to accept it, is to save the world from impossible threats. See them in Mission: Impossible.

Hotheaded and arrogant, Kaneda is nevertheless fiercely protective of the biker gang he leads. See them in Akira.

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