Because you like Milhouse Van Houten in The Simpsons

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

Sarah Ashburn lives life by the book and has trouble getting along with anyone who doesn't do the same. See them in The Heat.

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

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.

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.

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

It's easy for Brian O'Conner to fake his way into the world of extreme racing because he's been popping cars since his teenage years. See them in The Fast and the Furious.

Villanelle is a hired assassin who loves committing murder as much as she loves dressing up in fancy pink ballgowns. See them in Killing Eve.

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

A formerly timid caterpillar, Kurt Hummel is transforming into a glamorous, confident butterfly. See them in Glee.

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