Because you like Leonard "Bones" McCoy in Star Trek

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.

Ben Barber is ready to show you that he's twice the man you think he is. See them in Ride Along.

While Cassie Ainsworth's head is always in the clouds, her heart is always in the right place. See them in Skins.

Regina George is teen royalty. And anything the queen bee says, goes. See them in Mean Girls.

Lux Lisbon's flirtatious manner attracts a lot of male attention. She relishes the power that her sexuality grants her. See them in The Virgin Suicides.

Steve Stifler is more than just a dude with a hot mom. He's also rude, profane, and obnoxious. See them in American Pie.

Alison DiLaurentis believes you're always better off with a really good lie. See them in Pretty Little Liars.

Manipulative, gorgeous, and sharp as a tack, Blair Waldorf is a classic product of the Upper East Side. See them in Gossip Girl.

A place as peaceful and enlightened as Piltover has no tolerance for a criminal like Jinx. See them in League of Legends.

A secret smoker, Margot Tenenbaum has plenty more secrets where that came from. See them in The Royal Tenenbaums.

Casey Gardner is an angsty teenage girl with quite a bit of sass that keeps getting her in trouble. See them in Atypical.