Because you like Hushpuppy in Beasts of the Southern Wild
A former high school outcast, Rebecca Doppelmeyer is tentatively shaking off her misanthropic personality. See them in Ghost World.
Dolores Umbridge keeps her villainy hidden (albeit poorly) behind a sheen of sugary pink politeness. See them in Harry Potter Series.
On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.
Jean-Baptiste Grenouille may have a phenomenal sense of smell, but he has a weak sense of morality. See them in Perfume: The Story of a Murderer.
Susie Salmon has a big heart, even though it's not beating anymore. See them in The Lovely Bones.
Satine cynically gives up on love so she can advance her singing career. But she meets a dreamer who reminds her there's more to life than ambition. See them in Moulin Rouge.
Breaking bones and hearts, Callie Torres has figured out how to put the bones back together. But the hearts? Not so much. See them in Grey's Anatomy.
Tina Goldstein is better at getting the job done than following the rules. See them in Fantastic Beasts and Where To Find Them.
Charlie is a Type A theater director dealing with something out of his control: a painful divorce. See them in Marriage Story.
It turns out the girl of your dreams just might have dreams of her own. See them in (500) Days of Summer.
His name is Inigo Montoya and whoever killed his father should be prepared to die. See them in The Princess Bride.