Because you like Liesl von Trapp in The Sound of Music
Cosette is an idealistic woman whose innocence stands in contrast to her harsh childhood. See them in Les Miserables.
Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.
All Catelyn Stark wants is to keep her family safe, but life in Westeros makes it nearly impossible. See them in Game of Thrones.
Working as a captain in the American Expeditionary Forces and a spy for British Intelligence, Steve Trevor wants to end World War I once and for all. See them in DC Extended Universe.
Murph is inquisitive, compassionate, and stubborn, with a passion for science she shares with her dad. See them in Interstellar.
Faith has a chip on her shoulder and a stake in her hand to slay vampires in her town. See them in Buffy the Vampire Slayer.
Izzie Stevens is a model-turned-med student who can do it all, even if people underestimate her. See them in Grey's Anatomy.
Jane Smith is a stone-cold killer, but you would never know it from looking at her. See them in Mr. & Mrs. Smith.
Calling Alicia Florrick a "good wife" is damning this smart, capable, thoughtful woman with too-faint praise. See them in The Good Wife.
Sophie Sheridan is a proud and independent woman who hardly ever looks before she leaps. See them in Mamma Mia!.
Dorothy Gale is a down-home Kansas girl in a bizarre fantasy land with beautiful red shoes. See them in The Wizard of Oz.