Because you like Grover in Sesame Street

Kim Kelly is a high school bully who's normally in a bad mood. But there's a softer side to her. See them in Freaks and Geeks.

Michael Kelso gets by on his good looks and his openhearted nature. See them in That '70s Show.

Michaelangelo is an above-ground crime-fighter by night, and a pizza-eating, sewer-dwelling mutant ninja turtle by day. See them in Teenage Mutant Ninja Turtles.

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.

In his heart, this student rebel is more of a lover than a fighter. See them in Les Miserables.

Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.

Shawn Hunter may be a bit of a rebellious bad boy, but he has a heart that's pure gold. See them in Boy Meets World.

Izzie Stevens is a model-turned-med student who can do it all, even if people underestimate her. See them in Grey's Anatomy.

Relentlessly cheery Ned Flanders enjoys a nice piece of bread with water on the side for dipping See them in The Simpsons.

The biggest nerd in high school, Bill Haverchuck is the biggest target for bullies. See them in Freaks and Geeks.

A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.

Jeff Winger thinks he's too cool for school, which is a problem because he just enrolled in community college. See them in Community.