Because you like Stephen Hawking in The Theory of Everything

Smart, sarcastic, and loyal, Stiles Stilinski doesn't just want to be the sidekick in someone else's life. See them in Teen Wolf.

After becoming accepted into the group of popular girls, Tracy Freeland has turned from a sweet and reserved teenager into a monster. See them in thirteen.

It's easy for Brian O'Conner to fake his way into the world of extreme racing because he's been popping cars since his teenage years. See them in The Fast and the Furious.

America Singer is a feisty, fiercely independent musician who places little value on the restrictive rules of her society. See them in The Selection .

Ilana Wexler is rarely found without a joint. When she's not absolutely blazed, she is a below average employee and an incredible best friend. See them in Broad City.

Jessica Davis is the girl that guys like to like. See them in Thirteen Reasons Why .

Haley Dunphy's interests include shopping, dating, and avoiding homework at all costs. See them in Modern Family.

Billionaire playboy by day and vigilante archer by night, Oliver Queen aims to rid Starling City of crime and atone for his past mistakes. See them in DC Extended Universe.

Whether she's working as a mild-mannered assistant or an all-powerful superhero, Kara Danvers is defined above all by her huge heart. See them in Supergirl.

Stuck somewhere between life and death, Talion is motivated by one thing only: vengeance. See them in Middle-earth: Shadow of Mordor.

Damon Salvatore used to miss being human. Now he can't think of anything more miserable. See them in The Vampire Diaries.

A tough and compassionate loner, Emma Swan just might be the key to saving an entire fairy tale world. See them in Once Upon a Time.