Because you like Rachel Jansen in Forgetting Sarah Marshall

For someone who swears she doesn't care for anyone, MJ Jones spends a lot of time observing her classmate Peter Parker. See them in Marvel Cinematic Universe.

Fiery, intelligent, and opinionated, Jo March rebels against the restrictions of her era. See them in Little Women.

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

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

Remy could be a five star Michelin chef, the only problem is that he is quite literally a rat. See them in Ratatouille.

A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.

Her unhappy childhood has left her unsure of the existence of happy endings. Mary Jane Watson hides her pain beneath a joke and a smile. See them in Marvel Cinematic Universe.

Some might call Jess Mariano mysterious. Others just call him moody. See them in Gilmore Girls.

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.

Jenna Rink is physically 30 but emotionally 13. She has a better excuse than most. See them in 13 Going on 30.