Because you like Doogie Howser in Doogie Howser, M.D.

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

A beacon of positivity with a brilliant legal mind to boot, Elle Woods breaks down stereotypes about what girls can and can't do. See them in Legally Blonde.

Steve Rogers is a good soldier. But above all, he's a good man. See them in Marvel Cinematic Universe.

Napoleon Dynamite loves tater tots, mythical beasts, and reveling in his awkwardness. See them in Napoleon Dynamite.

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.

The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.

In his transformation from hardened convict to moral paragon, Jean Valjean is the kind of man we should all aspire to be. See them in Les Miserables.

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

An outgoing and quirky optimist, Louisa Clark has a zest for life. See them in Me Before You.

There are certain souls the surprisingly sensitive Death would rather not reap. See them in The Book Thief.

While Jay Gatsby doesn't necessarily like to attend his parties, he knows how to throw a world-class bash. See them in The Great Gatsby.