Because you like Raphael in Teenage Mutant Ninja Turtles

Emmet Brickowski is so upbeat it's not even human. Everything is AWESOME! See them in The Lego Movie.

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

Daphne Blake's unfailing enthusiasm keeps the team's morale up even as they're battling evil spirits and other ghouls. See them in Scooby-Doo.

Just because he rules Hades, doesn't mean he can't be fun! See them in Hercules.

Gomez Addams fills his days with ghoulish and ghastly forms of recreation, enjoying life and all its pleasures to the fullest. See them in The Addams Family.

R is sweet for a zombie. See them in Warm Bodies.

Experiment 626 was designed for one thing: to destroy everything he touches. See them in Lilo & Stich.

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

Bart Simpson is an aspiring juvenile delinquent who doesn't want you to have a cow, man! See them in The Simpsons.

A majestic ruler, Mufasa is respected throughout the animal kingdom. See them in The Lion King.

A champion of chivalry, Don Quixote is dutifully bringing good to the world—even when others think he's out of his mind. See them in Don Quixote.

It's hard enough fighting a war. But it's worse for Commander Shepard, knowing no matter how hard you try, you can't save them all. See them in Mass Effect.