Because you like Christine Daae in The Phantom of the Opera

Dorothy Gale is a down-home Kansas girl in a bizarre fantasy land with beautiful red shoes. See them in The Wizard of Oz.

Tina Goldstein is better at getting the job done than following the rules. See them in Fantastic Beasts and Where To Find Them.

A free-spirited girl, Kim doesn't judge by appearances. See them in Edward Scissorhands.

Esmeralda's street wisdom is unparalleled. See them in The Hunchback of Notre Dame.

Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.

Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.

Christian is a romantic who for some reason won't stop singing everything he feels. See them in Moulin Rouge.

Susan Pevensie is sensible, practical, and fiercely protective of those she loves. See them in The Chronicles of Narnia.

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.

Cinderella will sacrifice herself to keep her family's memory alive. See them in Cinderella (Live Action).

Velma Kelly will do anything to get the limelight back. See them in Chicago.

Louis de Pointe du Lac is wanting to find a way of living that doesn't make him miserable. See them in Interview with the Vampire: The Vampire Chronicles.