Because you like Bill Cutting in Gangs of New York
Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.
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.
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.
Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.
David Rossi may chase serial killers for a living, but he's more interested in what wine pairs well with tonight's parmigiana. See them in Criminal Minds.
Driven and straightforward with high-technology parts, EVE was sent to Earth to see if it is habitable. See them in WALL-E.
His name is Chucky, and he's your friend till the end. Hidey-ho! See them in Child's Play.
Once a handsome prince, the Beast is now a grumpy, furry, monster. It's hard to pinpoint which mammal he resembles the most. See them in Beauty and the Beast.
Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.
Daphne Blake's unfailing enthusiasm keeps the team's morale up even as they're battling evil spirits and other ghouls. See them in Scooby-Doo.
The destroyer, Drax lives for one thing and one thing only: revenge. See them in Marvel Cinematic Universe.