Because you like Danielle de Barbarac in Ever After: A Cinderella Story

She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.

Both intelligent and empathetic, Remus Lupin is worn down by the weight of a secret. See them in Harry Potter Series.

Funny, self-destructive, and in her own head, Fleabag has spent most of her adult life using sex to deflect from the screaming void inside her empty heart. See them in Fleabag.

Skye is a pluck hacktivist who tries to use her power for good. Unfortunately, " good" isn't always so clear-cut. See them in Marvel Cinematic Universe.

The adventurous daughter of Port Royal's governor, Elizabeth Swann would rather conspire with pirates than sit pretty in her corset. See them in Pirates of the Caribbean: the Curse of the Black Pearl.

As a monster-hunter cursed with supernatural abilities, Geralt of Rivia is a cynic burdened by scruples in an unscrupulous world. See them in The Witcher.

Ramona Flowers is a delivery girl who's been through her fair share of bad breakups. Super-bad breakups! See them in Scott Pilgrim vs. the World.

Stranded on Mars, Mark Watney is armed with quick wits, an electronic diary, disco music, and an undying resolve to make it back. See them in The Martian.

Ethan Hunt's mission, should he chose to accept it, is to save the world from impossible threats. See them in Mission: Impossible.

Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.

This metal-bending mutant may be misaligned with the genetically normal people of the world, but Magneto's got class for days. See them in X-Men Series.

The crown prince of the Fire Nation, Zuko has been ordered by his father to find the long-lost Avatar before he is allowed to return home. See them in Avatar: The Last Airbender.