Because you like Mercedes in 21 Jump Street

Effy Stonem is cool and collected with a wry smile on her face and a cigarette between her lips. See them in Skins.

Gotham's unhinged Clown Princess of Crime will call you puddin', then punch you in the face. See them in DC Extended Universe.

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

Buttercup is a farm girl turned princess who'd do anything to have her old life back. See them in The Princess Bride.

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

While Fantine's gentleness has led others to take advantage of her, it ultimately forces her to become stronger. See them in Les Miserables.

Fiona Gallagher wants to be able to give her siblings everything that they deserve because her parents aren't going to do it. See them in Shameless.

Nina Sayer finally landed the role of prima ballerina, but as tension ramps up in rehearsal, she starts losing her mind. See them in Black Swan.

If you died and came back to life, and then died more times and came back, you might stop battling evil mutants. Not Jean Grey. See them in X-Men Series.

Alison DiLaurentis believes you're always better off with a really good lie. See them in Pretty Little Liars.

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