Because you like Alyx Vance in Half-Life 2

High school is Hell, so Allison Reynolds spends her time giving herself tattoos with ballpoint pens and shaking dandruff out of her hair. See them in The Breakfast Club.

Don't underestimate Maggie Greene. She's a farm girl with a mission. See them in The Walking Dead.

Matt Flamhaff is not too concerned about being part of the popular crowd. Too bad his best friend is. See them in 13 Going on 30 .

A suave womanizer, Jacob Palmer has turned seduction into a science. See them in Crazy, Stupid Love.

After having his mind altered after a bad breakup, Joel Barish is not convinced that ignorance is bliss. See them in Eternal Sunshine of the Spotless Mind.

Britta Perry has never met a cause she couldn't passionately champion—at least for a little bit. See them in Community.

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.

There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.

Beautiful and artistic, Aria Montgomery follows her own path. See them in Pretty Little Liars.

An all-business doc , Miranda Bailey dispenses tough love to the interns she trains. Emphasis on "tough." See them in Grey's Anatomy.

When he’s not working at the banana stand or awkwardly hitting on his cousin, George Michael tries his best to appease his father. See them in Arrested Development.

There's magic behind Tara Maclay's quiet façade. See them in Buffy the Vampire Slayer.