Because you like Cortana in Halo

Stubborn, impulsive, and fun-loving, Hallie Parker is not afraid to devise some schemes to bring her family together. See them in The Parent Trap.

Rose Tyler may have not done too well in school, but she's certainly holding her own in space. See them in Doctor Who.

Strong-willed Norah Silverberg isn't willing to be the goody bag at anyone's pity party. See them in Nick and Norah's Infinite Playlist.

Suzy Bishop is only 12, but her withering stare and withdrawn personality are enough to make anyone wilt. See them in Moonrise Kingdom.

Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.

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

Quiet and brooding, Ennis Del Mar keeps his true passions close to the chest. See them in Brokeback Mountain.

Jackie Burkhart is a privileged princess with a healthy dose of self-confidence. See them in That '70s Show.

Gordie Lachance never had any friends later on like the ones he had when I was twelve. See them in Stand By Me.

Charlotte York is an idealistic art curator who loves horses, tennis and Elizabeth Taylor movies. See them in Sex and the City.