Because you like Stanley Yelnats in Holes

Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.

Chewbacca is a loyal co-pilot who won't hesitate to rip your arm off. See them in Star Wars Series.

Sam Montgomery works hard, but her evil stepmother makes sure her efforts don't pay off. See them in A Cinderella Story.

Shana is a red-haired warrior with a black-and-white worldview. See them in Shakugan no Shana.

A believer in the pursuit of justice, Garrus Vakarian hates it when bad guys slip through the cracks of the bureaucratic justice system. See them in Mass Effect.

Born and raised in the darkness, Bane is determined to have the city totally under his control so that he can demolish it. See them in DC Extended Universe.

Driven and straightforward with high-technology parts, EVE was sent to Earth to see if it is habitable. See them in WALL-E.

It’s usually the good-looking, charismatic, play-by-their-own-rules types that get everyone into trouble, and Tyler Durden is Exhibit A. See them in Fight Club.

Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.

Bedside manner is for chumps, not the brilliant Dr. Gregory House. See them in House M.D..

Funny, bubbly, and relaxed, Emma has a magnetic personality that makes her the life of the party. See them in Blue is the Warmest Color.

Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.