Because you like Don Shirley in Green Book
Belle has ready every storybook in town, and she's slowly realizing that life is no fairytale. See them in Beauty and the Beast.
It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.
A daring conman, Flynn Rider is so charismatic that you might not mind when he steals from you. See them in Tangled.
His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.
L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.