Because you like Katara in Avatar: The Last Airbender

A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.

No one else in fsociety can hack like Elliot Alderson, but the battles being waged in his head are often more than he can handle. See them in Mr. Robot.

Usagi Tsukino may look like a lazy teen, but when Usagi conjures up her alter ego and calls her Sailor Scout team, no villain stands a chance. See them in Sailor Moon.

Marge Gunderson embodies the very best of the American Midwest. She's kind, friendly, and fiercely honest. See them in Fargo.

Nicky Nichols just wants to settle down with a nice girl, but being in prison is making that a little difficult. See them in Orange Is The New Black.

Dallas Winston is headed down a dangerous, criminal road. See them in The Outsiders.

Jasper Jordan is trying his best to make it through the night. See them in The 100.

If the awesome Andie Walsh is from the wrong side of the tracks, we don't want to be right. See them in Pretty in Pink.

Andrew Glouberman is trying to make it through puberty with his sanity intact. See them in Big Mouth.

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

A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.

Hayley Stark is a sarcastic 14-year-old with an unusual passion. See them in Hard Candy.