Because you like King Schultz in Django Unchained

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

Fiery, intelligent, and opinionated, Jo March rebels against the restrictions of her era. See them in Little Women.

Maka is determined to collect and purify 99 Kishin eggs– human souls that have been corrupted by evil– and one witch soul. See them in Soul Eater.

Bella Swan thinks of it as her job to help her parents and protect her friends, even though it often ends up the other way around. See them in Twilight.

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

A 100-plus-year-old who looks like a dreamy teenager, Edward Cullen warns girls to avoid him, which makes them want him even more. See them in Twilight.

Tracy Turnblad's got rhythm, and she's determined to share her dance moves with the world. See them in Hairspray.

Captain Spock is on a five-year mission exploring the final frontier and boldly going where no man has gone before. See them in Star Trek.

Jenna Rink is physically 30 but emotionally 13. She has a better excuse than most. See them in 13 Going on 30.

Dory is more than a little forgetful, but she'll always remember to have your back. See them in Finding Nemo.

A formerly timid caterpillar, Kurt Hummel is transforming into a glamorous, confident butterfly. See them in Glee.