Because you like Andie Anderson in How to Lose a Guy in 10 Days
Celine's a spontaneous Parisian college student enjoying the night of her life. See them in Before Sunrise.
Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.
Yes, she's an "older" woman, but that just makes Mrs. Robinson sexier and more seductive. See them in The Graduate.
Sensual, wild, and with a penchant for controlled substances, Lily is a ballet dancer who isn't afraid to let loose. See them in Black Swan.
Although she's only six, Hushpuppy is a tough girl ready to stand up to terrifying, pre-historic beasts after the storm. See them in Beasts of the Southern Wild.
Basil Hallward is dominated, soul, brain, and power by Dorian. See them in Dorian Gray.
Extremely violent and loyal, Sandor Clegane is called the Hound for a reason. See them in Game of Thrones.
Mother Gothel is a great mother as long as you never, ever, break the rules. See them in Tangled.
Evan is a sensible kid, but being sensible isn't going to help him lose his virginity. See them in Superbad.
Toby Cavanaugh has trouble avoiding being manipulated. See them in Pretty Little Liars.
Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.