Because you like Frank Reynolds in It's Always Sunny in Philadelphia
Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.
Sue Sylvester has a win-at-all-costs philosophy, a bizarre fixation on a school singing club, and a fashion style that involves a red tracksuit. See them in Glee.
Billy Butcher's job is to give everyone hell by any means necessary. See them in The Boys.
Darlene is a free-spirited hacktivist who follows her own moral compass. See them in Mr. Robot.
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.
A born psychopath, don't expect Michael Myers to understand the difference between right and wrong. See them in Halloween.
Gina Linetti views herself as a sort of life coach/influencer to the rest of the office. She's not so keen on the "work" aspect of her job. See them in Brooklyn Nine-Nine.
Greg Heffley will be famous someday, but now he's stuck in class with morons. See them in Diary of a Wimpy Kid.
Gomez Addams fills his days with ghoulish and ghastly forms of recreation, enjoying life and all its pleasures to the fullest. See them in The Addams Family.
Donkey is proof that if you're annoying enough you can change the world; he's the reason that his friend Shrek does, well, anything. See them in Shrek.