Because you like Leonard Hofstadter in The Big Bang Theory

Ethan Hunt's mission, should he chose to accept it, is to save the world from impossible threats. See them in Mission: Impossible.

Shaun is used to being lazy. And now, you're asking him to fight for his life? See them in Shaun of the Dead.

A brilliant "extractor," Dom Cobb has spent the past few years running from the authorities and his inner demons. See them in Inception.

The Kid doesn't talk. He just acts with determination. See them in Bastion.

Curiosity and compassion aren't always to Jonas' advantage. See them in The Giver.

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

V is a violent anarchist with literally nothing left to lose. But, he might have a point. See them in V for Vendetta.

Sydney Novak claims she’s “not special,” but her self-reportedly average life changes quickly once she begins to develop powers she can’t control. See them in I Am Not Okay With This.

Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.

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.

It doesn't matter how noble or brave he is. Jon Snow is a bastard, and people don't let him forget it. See them in Game of Thrones.

Susanna Kaysen is an aspiring writer, despairing young woman who struggles with suicidal thoughts. See them in Girl, Interrupted.