Because you like Sideshow Bob in The Simpsons

Roger is a pansexual alcoholic non-human who will happily lie, cheat and steal to get what he wants. See them in American Dad!.

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.

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.

A stylish agent, Agent J would rather improvise than play by the rules. See them in Men in Black.

Christine Palmer is a great surgeon and an even better friend. See them in Marvel Cinematic Universe.

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.

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

Brian Griffin is the most scholarly member of the family—when he's not drunk on martinis. See them in Family Guy.

Louise Belcher might be just a kid, but she can manipulate just about anyone with a pulse. All in the name of fun, of course. See them in Bob's Burgers.

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

Playing his cards close to his vest, J. Daniel Atlas believes the closer you look, the less you see. See them in Now You See Me.