Because you like Tina Cohen-Chang in Glee

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

Alex Dunphy's self-reliant intelligence comes with a healthy dash of sarcasm. See them in Modern Family.

David Rossi may chase serial killers for a living, but he's more interested in what wine pairs well with tonight's parmigiana. See them in Criminal Minds.

Michael Moscovitz is a high school student of few words but a lot of heart. See them in The Princess Diaries.

A soulful bass player, Nick O'Leary can't stop sending breakup CDs to his ex. See them in Nick and Norah's Infinite Playlist.

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

Let's just say Sheldon Oberon is having an out-of-body experience like no other. See them in Jumanji.

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.

The brilliant Mona Vanderwaal is proof that undergoing an "extreme makeover" isn't always a good thing. See them in Pretty Little Liars.

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

Taystee Jefferson is always down for a laugh and to help a friend out. See them in Orange Is The New Black.