Because you like Miles Quaritch in Avatar

Even the smallest person can change the course of the world, if he's brave enough. See them in The Lord of the Rings.

People think that because Tris is small, or a girl, or a Stiff, she can't possibly be cruel. But they're wrong. See them in Divergent.

Finn pulled off the impossible: he quit life as a Stormtrooper. Unfortunately, life only got more complicated after that. See them in Star Wars Series.

Carl Fredricksen is a crotchety old man who may just have it in him to take one last, great adventure. See them in Up.

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

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

With the ocean breeze behind him and the open seas ahead of him, Jack Dawson feels as if he is king of the world. See them in Titanic.

A baker turned reluctant fighter, Peeta Mellark can charm his way out of just about any situation. See them in The Hunger Games .

Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.

Princess-turned-General Leia Organa is a sharp, fearless royal who gets herself into trouble and fights her way out of it. See them in Star Wars Series.

He tells you everything you need to know: "I. Am. Groot." See them in Marvel Cinematic Universe.

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.