Because you like Arthur in Inception
Although Thomas Sharpe is an English baronet, he doesn't have a Shilling to his name. He's in America to sell his invention and marry rich. See them in Crimson Peak.
Give in to the dark side with vampire Lestat; it's more fun. See them in Interview with the Vampire: The Vampire Chronicles.
Jasmine dreams of something more than palace life, and she's not afraid to go get it. See them in Aladdin.
Shuri is a genius-level inventor with a wicked sense of humor. See them in Marvel Cinematic Universe.
A former high school outcast, Rebecca Doppelmeyer is tentatively shaking off her misanthropic personality. See them in Ghost World.
With a song always on her lips and her heart on her sleeve, Maria von Trapp is the governess every kid dreams of. See them in The Sound of Music.
Topanga Lawrence has been a put-together intellectual since basically the moment she could talk. See them in Boy Meets World.
There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.
As the White House Press Secretary, C. J. Cregg is a master of verbal karate and the best damn basketball player in Ohio Valley history. See them in The West Wing.
Just like half of L.A., Mia Dolan is working a dead end job until she hits the big screens. See them in La La Land.
A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.
As the hero of time, Link is reborn throughout history, always with the purpose of fighting and defeating the evil Ganon. See them in The Legend of Zelda.