Because you like Dorian Gray in Dorian Gray
Poison Ivy is a seductive, venomous botanist laments the fact that there are so many people to kill, yet so little time. See them in DC Extended Universe.
Mr. Blonde is the undisputed leader of his pack of suited-up outlaws, with a stoic and serious demeanor, and a penchant for bloodshed. See them in Reservoir Dogs.
A fearless scientist, Jane won't let a mere shipwreck stop her. See them in Tarzan.
Whether he's fighting or flirting, Jace Wayland is all swagger. See them in City of Bones.
Miss Peregrine exists to protect her wards, whether they like it or not. See them in Miss Peregrine's Home for Peculiar Children .
Think you grew up fast? At 12, Mathilda is an aspiring assassin eager to avenge her family's murder. See them in Leon: The Professional.
If you believe if fairies, you better believe in Tinkerbell. See them in Peter Pan.
Aldous Snow is a rock star who plays hard and parties harder. See them in Get Him to the Greek.
The Warden of the camp says that digging holes in the desert builds character, but Stanley Yelnats suspects there's more to it. See them in Holes.
Charles Xavier is a telepath who believes mutants and humans are both good at heart and can live in harmony. See them in X-Men Series.
Lolita is full of drama and out of control. See them in Lolita.
A man of the court, Lord Varys knows how to manipulate it better than anyone. See them in Game of Thrones.