Because you like Milhouse Van Houten in The Simpsons

Damon Salvatore used to miss being human. Now he can't think of anything more miserable. See them in The Vampire Diaries.

A girl who grew up on stories, Meggie Folchart is as loyal and intrepid as one of her fictional heroines. See them in Inkheart.

Tyler Gage is going to have to step up soon on the dance floor. Otherwise, it's back to janitorial work. See them in Step Up.

A tough tomboy with a protective streak, Maximum Ride is a human-bird hybrid. See them in Maximum Ride.

Effortlessly sexy, calm, and collected, Eric Northman is equally at home ripping off heads and flirting with waitresses. See them in True Blood.

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

A contemptuous aristocrat, Violet Crawley is unafraid to exert her authority and voice her opinions, no matter how harsh they are. See them in Downton Abbey.

After surviving a CIA mission that was supposed to kill him, ex-military man John Reese bets it all on a chance to redeem himself. See them in Person of Interest.

Not a great influence with her classmates, this 13-year-old "cool girl" likes to shoplift, chug alcohol, and snort crushed pills. See them in thirteen.

Celine's a spontaneous Parisian college student enjoying the night of her life. See them in Before Sunrise.

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

Raised to happily follow the rules, Cassia might actually be more rebellious than she thinks she is. See them in Matched .