Because you like Liesl von Trapp in The Sound of Music

His elfin self-confidence can border on pretension, but Legolas Greenleaf is a fearsome fighter and a loyal friend. See them in The Lord of the Rings.

Number Five is a 58-year-old man trapped in his 13-year-old body. See them in The Umbrella Academy.

Orphan Bruce Wayne has a tortured soul, but he's trying his best to weed out corruption. See them in DC Extended Universe.

A Hollywood starlet with a vindictive streak, Madison Montgomery is one witch that you shouldn't cross. See them in American Horror Story.

If Lisbeth Salander can hurt a bastard who deserves it by digging up stuff about him, she feels good. See them in The Girl with the Dragon Tattoo.

An outgoing and quirky optimist, Louisa Clark has a zest for life. See them in Me Before You.

It turns out the girl of your dreams just might have dreams of her own. See them in (500) Days of Summer.

Christian Grey is just as controlling in the bedroom as the boardroom. See them in Fifty Shades of Grey.

Meticulous Arthur is always prepared, but he may not be ready to be the point man in the criminal world of dream sharing. See them in Inception.

This isn't the Captian Hook of your nightmares; he's charming and devilishly handsome. See them in Once Upon a Time.

Anger-filled, merciless, and tortured, Kylo Ren is always at war—with the Rebel Alliance, and with himself. See them in Star Wars Series.