Because you like Penny Lane in Almost Famous

Chaos is what killed the dinosaurs, and there's nothing Jason "J.D." Dean loves more than chaos. See them in Heathers.

Call her. Beep her. If anyone's in trouble, Kim Possible is there. See them in Kim Possible.

Amy Farrah Fowler deserves sainthood for putting up with Sheldon Cooper. See them in The Big Bang Theory.

You'll never get Alaska Young. And that's the whole point. See them in Looking for Alaska.

Michelle Richardson's world revolves around her boyfriend. Alas, his world doesn't revolve around her. See them in Skins.

Don't ask Rosa Diaz, a Brooklyn detective, to lighten up. Actually, to be safe, don't ask her to do anything! See them in Brooklyn Nine-Nine.

With his good looks and magnetic personality, Will Smith seems destined to be a Hollywood megastar. See them in The Fresh Prince of Bel-Air.

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

Maya Lambert is an obsessive intelligence officer with tunnel vision leading toward Osama bin Laden. See them in Zero Dark Thirty.

While he might drive colleagues crazy with his antics, Jake Peralta cares about the Nine-Nine more than most things. Including personal hygiene. See them in Brooklyn Nine-Nine.

Carrie Bradshaw is a sex columnist addicted to expensive shoes, Cosmopolitan martinis, and unavailable men. See them in Sex and the City.

A homeless orphan with unusual red hair, Anne knows the odds are against her. But she's starting to find her inner power. See them in Anne With an E.