Because you like Kyle Broflovski in South Park

A short-tempered guy, Bowser is determined to wreak havoc on the Mushroom Kingdom. See them in Super Mario Bros..

Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.

This cannibalistic villain may be a loner, but Killer Croc doesn't have problems with self-confidence. See them in Suicide Squad.

Greg Heffley will be famous someday, but now he's stuck in class with morons. See them in Diary of a Wimpy Kid.

A machete-wielding mass-murderer, Jason Voorhees is a terrifying blank slate. See them in Friday the 13th.

Prideful and psychotic tendencies combine to make Dr. Eggman a dangerous and villain who will squash anyone in his path. See them in Sonic the Hedgehog.

Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.

Chuckie Finster is a baby afraid of everything from clowns to closets, unless his best friend's by his side. See them in Rugrats.

A company man who has never done a day of work, Creed Bratton pursues sketchy extracurricular activities that keep him busy. See them in The Office.

This bite-sized, power-hungry plankton is determined to uncover the secret recipe for the Krusty Krab burger. See them in SpongeBob SquarePants.

A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.