Because you like Mrs. Krabappel in The Simpsons

There's erratic, and then there's Senor Chang. See them in Community.

Roxie Hart can shoot for the stars even from behind bars. See them in Chicago.

Caleb Rivers is a bad boy with a good reason for acting out. See them in Pretty Little Liars.

Haley Dunphy's interests include shopping, dating, and avoiding homework at all costs. See them in Modern Family.

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

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.

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

There are a lot of rules in their society for women like Emily Dickinson. But Emily is a rule-breaker. See them in Dickinson.

Hughie Campbell didn't ask to be a hero, but he's tired of injustice. See them in The Boys.

A charming acapella performer, Jesse Swanson perfectly blends being nerdy with being cool. See them in Pitch Perfect.

Mac is a karate-chopping, beer-chugging schemer. See them in It's Always Sunny in Philadelphia .