Because you like Sheldon J. Plankton in SpongeBob SquarePants

The self-described "ghost with the most" knows the ins-and-outs of specter life like no other. Just ask him. See them in Beetlejuice.

Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.

Frank Reynolds is too gross even for the prostitutes he hires. See them in It's Always Sunny in Philadelphia .

Mr. Fox will never truly be happy without a dead chicken between his chompers. See them in Fantastic Mr. Fox.

Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.

Talos is a mysterious military commander skilled in the art of deception. See them in Marvel Cinematic Universe.

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

With a dangerous medical condition, Ignoring the rules makes him feel like he’s in control. See them in Five Feet Apart.

Boomerang is equally skilled at tossing boomerangs and tossing back beers. See them in DC Extended Universe.

Stan Marsh is a fourth grader who is the ladies man of his classroom. See them in South Park.

Polite and clever, Annie James is not afraid to stir up a little mischief. See them in The Parent Trap.

Jesse Aarons' frustration can only find outlet in another world. See them in Bridge to Terabithia.