Because you like Aldous Snow in Get Him to the Greek
Nadine Franklin likes to wallow in her misery almost as much as she likes to torment her mother. See them in The Edge of Seventeen.
Susan Pevensie is sensible, practical, and fiercely protective of those she loves. See them in The Chronicles of Narnia.
Raven Reyes may be a deliquent, but she's also the youngest zero-gravity mechanic who fixed a 130-year old escape pod to make it through the descent to Earth. See them in The 100.
Arwen has to choose between a life of loneliness or love and inevitible death, both rather unfortunate options. See them in The Lord of the Rings.
Jyn Erso is a rebellious criminal tasked with stealing the blueprint to the Death Star to find its fatal flaw before it destroys the planet. See them in Rogue One.
Eren Jaeger will erase the Titans from this world until not a single one remains. See them in Attack on Titan.
Mavis Dracula's interests are anything black, scream cheese, and flying around. See them in Hotel Transylvania.
A fearless superhero, Carol Danvers always aims to go higher, further, faster. See them in Captain Marvel / The Avengers.
Belle is an adventurous, intelligent fairy tale maiden who strives to see the best in everyone. See them in Once Upon a Time.
Though Twilight might be opposed to it, her new friends might just be able to teach this serious-minded pony how to relax. See them in My Little Pony.
Level-headed Ian Gallagher may be focused on his goals, but he's got a mischievous side too. See them in Shameless.
When the safety of Hyrule is at stake, Princess Zelda does not hesitate to sacrifice herself for the good of the land. See them in The Legend of Zelda.