Because you like Sam Montgomery in A Cinderella Story

Mark Sloan is the best plastic surgeon and biggest playboy the hospital's ever seen. See them in Grey's Anatomy.

Success for Eggsy Unwin means joining Kingsman, and failure could mean death. See them in Kingsman: The Secret Service.

Equal parts klutzy and clever, Ella is not afraid to take her fate into her own hands. See them in Ella Enchanted.

Molly Weasley runs a household teeming with magic: gnomes run around the garden, dishes wash themselves, and noisy ghouls rule the attic. See them in Harry Potter Series.

Egon Spengler prefers collecting spores, molds, and fungus to interacting with people. See them in Ghostbusters.

A former high school outcast, Rebecca Doppelmeyer is tentatively shaking off her misanthropic personality. See them in Ghost World.

Wendy Corduroy is the ultimate in cool in Gravity Falls. See them in Gravity Falls.

This barber doesn't cut hair. Sweeney Todd sends his clients down a chute to be baked into his partner-in-crime's pies. See them in Sweeney Todd: The Demon Barber of Fleet Street.

Vivian Ward is a no-nonsense working girl with fairy-tale dreams. See them in Pretty Woman.

Be careful around Marie Laveau. There's no one more vengeful than a double-crossed voodoo queen. See them in American Horror Story.

His name is Chucky, and he's your friend till the end. Hidey-ho! See them in Child's Play.

Robbie Turner has been accused of a crime he never committed, changing the course of his life forever. See them in Atonement.