Because you like Sheldon J. Plankton in SpongeBob SquarePants

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

Claire Standish is a popular, perfect princess who's deeper than she seems. See them in The Breakfast Club.

Count Olaf is a traveling actor, except he can't act and his homicidal tendencies make finding work pretty difficult. See them in Lemony Snicket's A Series of Unfortunate Events.

A Wakandan spy, Nakia is capable, caring, and just the right amount of stubborn. See them in Marvel Cinematic Universe.

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

Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.

Megamind is searching for purpose in a supervillain life without a superhero to fight. See them in Megamind.

Darcy Lewis is a razor-sharp scientist studying things that science can't explain. See them in Thor.

People think Karen Smith is a dumb blonde, but she disagrees and is proud she can predict the weather with her breasts. See them in Mean Girls.

In a rag-tag group of kids determined to take down the imperialistic Fire Lord, Katara is the glue that holds them together. See them in Avatar: The Last Airbender.

Toph is a tenacious earthbender full of spirit and spunk and hates when people try to baby her because she's blind. See them in Avatar: The Last Airbender.