Because you like GLaDOS in Portal Series

Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.

An inter-dimensional demon, Bill Cipher dreams of a more chaotic Gravity Falls. See them in Gravity Falls.

Both a noble district attorney and a psychopathic villain, Harvey Dent proves some men really can have it all. See them in DC Extended Universe.

Michaelangelo is an above-ground crime-fighter by night, and a pizza-eating, sewer-dwelling mutant ninja turtle by day. See them in Teenage Mutant Ninja Turtles.

How lucky are we that Arthur Curry, the King of Atlantis, hasn't taken over the surface world? Very! See them in DC Extended Universe.

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.

A cruel pirate, Captain Hook still fancies himself a gentleman. See them in Peter Pan.

Dewey Finn will rock you. He feels rock and roll in his blood and guts. See them in School of Rock.

Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.

Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.

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