Because you like Bill Cipher in Gravity Falls

Nick Wilde is sly like a fox. And not just because he is one. See them in Zootopia.

Jack Skellington is a nightmare-man with a soft heart and smooth voice. See them in The Nightmare Before Christmas.

For Wreck It Ralph, it's not easy being the bad guy. Especially when you've been designed to destroy but really desire love. See them in Wreck-It Ralph.

There's nothing "demi" about this demigod's massive ego. See them in Moana.

Baloo is a fun-lovin' bear who just needs the bare necessities of life See them in The Jungle Book.

Eugene H. Krabs is a greedy restaurant owner who won't let a dime out of the reach of his claws. See them in SpongeBob SquarePants.

Driven and straightforward with high-technology parts, EVE was sent to Earth to see if it is habitable. See them in WALL-E.

Turanga Leela is the daughter of two mutants who live in the sewers below New York City. See them in Futurama.

The witty Aku would be an ideal dinner guest, if he weren't a demon. See them in Samurai Jack.

Count Olaf is a traveling actor, except he can't act and his homicidal tendencies make finding work pretty difficult. See them in Lemony Snicket's A Series of Unfortunate Events.

Ahape-shifting dog, Jake is the last man's best friend. See them in Adventure Time.

Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.