Because you like Sheldon J. Plankton in SpongeBob SquarePants

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

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

Oscar Martinez is a national accountant in an office of weirdos. See them in The Office.

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

Experiment 626 was designed for one thing: to destroy everything he touches. See them in Lilo & Stich.

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.

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

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

Danny Zuko's car is auto-matic. Its system-matic. Its hyyyyydro-matic. Why, its greased lightning! See them in Grease.

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

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

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