Because you like Bill Cipher in Gravity Falls

Leatherface's moods change with his masks. See them in The Texas Chainsaw Massacre.

With an abundant supply of alcohol, nice restaurants, and free will, Crowley is a demon who is thoroughly enjoying his time on Earth. See them in Good Omens: The Nice and Accurate Prophecies of Agnes Nutter, Witch.

Fear is a ball of nerves and a voice of caution. See them in Inside Out.

George Weasley likes to invent quirky joke products, play Quidditch, and cause poor Mrs. Weasley a lot of anxiety. See them in Harry Potter Series.

Henry Mills is an idealistic young boy with the heart of the truest believer. See them in Once Upon a Time.

Not only will Emmett Brown's time-saving gadgets help you travel with ease, his tinkering on your car will help you get wherever you need to go. Fast. See them in Back to the Future.

Aslan represents everything good and just, he's just not super reliable. See them in The Chronicles of Narnia.

Working as a captain in the American Expeditionary Forces and a spy for British Intelligence, Steve Trevor wants to end World War I once and for all. See them in DC Extended Universe.

A formerly righteous wizard, Saruman has been corrupted by the forces of evil. See them in The Lord of the Rings.

Donna Pinciotti is strong, independent, and empathetic. No one messes with her. See them in That '70s Show.

Claire Standish is a popular, perfect princess who's deeper than she seems. See them in The Breakfast Club.

Cat Grant gets what she wants: a piping hot latte or an interview with Supergirl. See them in Supergirl.