Because you like Cassie Sullivan in The 5th Wave

Beneath Lena Duchannes' prickly exterior lurks a sensitive, compassionate soul. See them in Beautiful Creatures.

Juno MacGuff is hoping sarcasm will get her through the stress of teenage life. And also, teenage pregnancy. See them in Juno.

Bookish and socially anxious, Ruby Roundhouse is a teenager turned action heroine. See them in Jumanji.

Emmet Brickowski is so upbeat it's not even human. Everything is AWESOME! See them in The Lego Movie.

Thankfully, Jenna Hamilton has her sense of humor and friends to get her through the endless torture that is high school. See them in Awkward..

An aristocrat-turned-tomb-raider, Lara Croft does her best thinking while plunging off cliffs. See them in Lara Croft: Tomb Raider.

Fighting for a future without fear? Yeah, Chris Redfield believes it is worth it. See them in Resident Evil Series.

A daring conman, Flynn Rider is so charismatic that you might not mind when he steals from you. See them in Tangled.

Cooper says he used to look up at the sky and wonder at our place in the stars, but now he looks down and worry about our place in the dirt. See them in Interstellar.

Emma Woodhouse knows what's best for everyone else. Just don't try to tell her what to do. See them in Emma.

WALL-E is a quirky little romantic robot cleaning the wasteland known as Earth. See them in WALL-E.

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