Because you like Mikaela Banes in Transformers
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.
Veronica Lodge is a quintessential mean girl trying to make a better life, and a better self. See them in Riverdale.
All Catelyn Stark wants is to keep her family safe, but life in Westeros makes it nearly impossible. See them in Game of Thrones.
Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.
Joey Potter is a low-key girl next door in love with her best friend. See them in Dawson's Creek.
It's easy to see why Poe Dameron would side with the rebellion: he's bad at taking orders, likes to show off, and is committed to the cause. See them in Star Wars Series.
Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.
It turns out breaking open an ancient cursed statue will do funny things to a girl like Enchantress. See them in Suicide Squad.
Cady Heron is the new girl in town who's also new to the world of high school, period. See them in Mean Girls.
M. Bison is a diabolical megalomaniac hell-bent on dominating the world. See them in Street Fighter.
Viking Astrid Hofferson has it all: brains, brawn, and some killer braids. See them in How to Train Your Dragon.