Because you like Diana Payne in Gossip Girl

A meek schoolteacher, Mary Margaret Blanchard can't remember her past as a spirited, swashbuckling Snow White. See them in Once Upon a Time.

Claire Underwood is scary intimidating, and she knows it. See them in House of Cards.

Elena Gilbert is the quintessential girl-next-door who gets involved with the new "boy" at school. See them in The Vampire Diaries.

Blaine Anderson is a put-together prep school boy with the voice of an angel. See them in Glee.

After years of being a nerdy loner, Seth Cohen can't wait to shower charm on his newfound friends. See them in The O.C..

In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.

Formerly a "sweater-set-wearing, mojito-drinking sorority girl", Paige Collins is now a successful sculptor with slight memory loss. See them in The Vow.

There's nothing like discovering dear old dad is a serial killer to send you into an (understandable) funk. See them in Hannibal.

Keren Walker is a socialite looking to avoid work, keep a constant buzz, and be as snarky as possible. See them in Will & Grace.

Everything is fascinating to Octavia Blake who has been locked away for her entire life. See them in The 100.

People make more sense to the hyper-logical Temperance Brennan after they're dead. See them in Bones.

Driven yet empathetic, Emily Prentiss brings humanity to the pursuit of inhuman killers. See them in Criminal Minds.