Because you like Dorian Gray in Dorian Gray
Count Olaf is a traveling actor, except he can't act and his homicidal tendencies make finding work pretty difficult. See them in Lemony Snicket's A Series of Unfortunate Events.
Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.
Judge Dredd is less a man and more a living manifestation of justice. See them in Dredd.
A daring hacker, Trinity is one of the few rebels who escaped the Matrix, a simulation in which most of humanity is enslaved. See them in The Matrix.
Jack's big imagination is never limited by his incredibly cramped surroundings. See them in Room.
On the outside, Gwen seems meek and calm. But she has an inner core of steel. See them in Merlin.
This suave con-man doesn't just want to become rich. Danny Ocean wants to rip off the guy who stole his wife in the biggest Vegas con. See them in Ocean's Eleven.
A fearless scientist, Jane won't let a mere shipwreck stop her. See them in Tarzan.
This metal-bending mutant may be misaligned with the genetically normal people of the world, but Magneto's got class for days. See them in X-Men Series.
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.
Darcy Lewis is a razor-sharp scientist studying things that science can't explain. See them in Thor.
Aldous Snow is a rock star who plays hard and parties harder. See them in Get Him to the Greek.