Because you like Karen Smith in Mean Girls

She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.

An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.

This suave con-man doesn't just want to become rich. Danny Ocean wants to rip off the guy who stole his wife in the biggest Vegas con. See them in Ocean's Eleven.

Part archaeologist, part philosopher, part politician, Jean-Luc Picard is an unashamed intellectual who runs a tight ship. See them in Star Trek: The Next Generation.

With his own ship, Peter Quill calls his own shots, and gets to fly from planet to planet blasting '70s pop hits and picking up alien chicks. See them in Marvel Cinematic Universe.

Where Ash comes from, food and shelter pay for themselves. Even as a penniless vagrant, he is able to pursue his dream of becoming a Pokémon Master See them in Pokemon.

Curving free kicks and crosses is tough, but keeping her soccer passion from her disapproving family is way tougher for Jess. See them in Bend It Like Beckham.

Herion is Mark Renton's favorite drug. He sniffs it, smokes it, swallows it, sticks it up his arse, and injects it into his veins. See them in Trainspotting.

We defy you to find a man who's ever been cooler while simply saying his own name. See them in Casino Royale.

A free-spirited artist, Marjane Satrapi is living under the shadow of an oppressive society. See them in Persepolis.

The "runt" of his biker gang, Tetsuo Shima grapples with a perpetual inferiority complex. See them in Akira.

Seth is short-tempered, crude, and terrible at school, but hopefully there's nothing an epic party can't fix. See them in Superbad.