Because you like Montgomery Scott in Star Trek
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.
Charlie is a Type A theater director dealing with something out of his control: a painful divorce. See them in Marriage Story.
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.
N'Jadaka is a righteous man with a violent agenda. See them in Marvel Cinematic Universe.
Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.
Michaelangelo is an above-ground crime-fighter by night, and a pizza-eating, sewer-dwelling mutant ninja turtle by day. See them in Teenage Mutant Ninja Turtles.
In his heart, this student rebel is more of a lover than a fighter. See them in Les Miserables.
Eddie Brock is a big-hearted investigative journalist who is going through the world's weirdest identity crisis. See them in Venom.
Jack Skellington is a nightmare-man with a soft heart and smooth voice. See them in The Nightmare Before Christmas.
Romantic, impulsive, and captivated by the joys of life, Natasha Rostova is on the messy path of growing up. See them in War and Peace.