Because you like Vanellope von Schweetz in Wreck it Ralph

Not even a closed door will deter this eternal optimist. See them in Frozen.

Green skin, pointy hat, evil cackle—this villain has it all! See them in The Wizard of Oz.

Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.

Christine Palmer is a great surgeon and an even better friend. See them in Marvel Cinematic Universe.

Velma Dinkley is all about getting results, not taking credit. She is the unsung hero of Mystery Inc. See them in Scooby-Doo.

Alfredo Linguini can whip up five star meals effortlessly. Just don't look under his hat. See them in Ratatouille.

Quirky teen Carly Shay is the director of her own life story. See them in iCarly.

Kristoff may seem standoffish, but this ice harvester has a warm heart. See them in Frozen.

This bite-sized, power-hungry plankton is determined to uncover the secret recipe for the Krusty Krab burger. See them in SpongeBob SquarePants.

Ursula will oh-so-generously grant your wishes for a price. See them in The Little Mermaid.

Donkey is proof that if you're annoying enough you can change the world; he's the reason that his friend Shrek does, well, anything. See them in Shrek.

Stella Grant is an organized, orderly optimist living with a dangerous disease. See them in Five Feet Apart.