Because you like D.J. Tanner in Full House

Topanga Lawrence has been a put-together intellectual since basically the moment she could talk. See them in Boy Meets World.

Joey Potter is a low-key girl next door in love with her best friend. See them in Dawson's Creek.

Equal parts funny and neurotic, Cory Matthews has a warm and generous spirit. See them in Boy Meets World.

Shawn Hunter may be a bit of a rebellious bad boy, but he has a heart that's pure gold. See them in Boy Meets World.

Sam Montgomery works hard, but her evil stepmother makes sure her efforts don't pay off. See them in A Cinderella Story.

The seasoned detectives in River Heights have got nothing on amateur sleuth Nancy Drew. See them in Nancy Drew.

The bad boy medical intern might have a soft side‚ but you need to dig deep for it. See them in Grey's Anatomy.

A meek schoolteacher, Mary Margaret Blanchard can't remember her past as a spirited, swashbuckling Snow White. See them in Once Upon a Time.

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.

As high-strung as she is talented, Rachel Berry both marches and sings to the beat of her own drum. See them in Glee.

David Nolan is a noble fairy tale prince with the heart of a hero, regardless of whether he can remember his past or not. See them in Once Upon a Time.