Because you like GLaDOS in Portal Series

Sookie St. James is a klutzy and perfectionist chef who's always there for her friends. See them in Gilmore Girls.

This high school queen bee has everything, including a genius-level IQ—a fact Lydia Martin keeps hidden to maintain her image. See them in Teen Wolf.

Whether he's fighting or flirting, Jace Wayland is all swagger. See them in City of Bones.

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

Tony Stonem is the golden boy of Bristol. Problem is, he knows it. See them in Skins.

Jenna Rink is physically 30 but emotionally 13. She has a better excuse than most. See them in 13 Going on 30.

Lorelai Gilmore loves coffee, talking fast, flirting, movie marathons, and her daughter. See them in Gilmore Girls.

Alison DiLaurentis believes you're always better off with a really good lie. See them in Pretty Little Liars.

A natural leader, Clarke Griffin dispenses both justice and mercy, and she does it all while being selflessly humble. See them in The 100.

Aldous Snow is a rock star who plays hard and parties harder. See them in Get Him to the Greek.

Rose Hathaway is a reckless, rebellious smartass who's training to be a royal vampire guardian. See them in Vampire Academy.

Manipulative, gorgeous, and sharp as a tack, Blair Waldorf is a classic product of the Upper East Side. See them in Gossip Girl.