Because you like Bella Swan in Twilight

Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.

Samantha Jones is a try-sexual who'll try anything once. See them in Sex and the City.

Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.

Think you grew up fast? At 12, Mathilda is an aspiring assassin eager to avenge her family's murder. See them in Leon: The Professional.

Neal Cassidy is a charming former thief with a heroic side. See them in Once Upon a Time.

Popular jock Andrew Clark is pretty bizarre. He's just better at hiding it, that's all. See them in The Breakfast Club.

Jason Bourne is suffering amnesia, but considering what he's done as a CIA assassin, maybe that's for the best. See them in The Bourne Identity.

Sarcastic and always complaining, C3PO is a droid that despite his quirks you always want by your side. See them in Star Wars Series.

Both intelligent and empathetic, Remus Lupin is worn down by the weight of a secret. See them in Harry Potter Series.

Terry Jeffords (and his muscles) may look ferocious, but inside he's just a caring mama hen. See them in Brooklyn Nine-Nine.

In the simplest terms, in the most convenient definitions, people consider Brian a nerd. But he's more than that. See them in The Breakfast Club.