Because you like Sonny Corleone in The Godfather
Chef is a swinging bachelor and former R&B singer with a leopard-skin upholstered couch and some great stories. See them in South Park.
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.
A gifted detective, Rust Cohle is as dark and twisty as any murderer he chases. See them in True Detective Season 1.
Andy Bernard is a preppy Cornell grad who's very likely to break into an acapella performance. See them in The Office.
Boomerang is equally skilled at tossing boomerangs and tossing back beers. See them in DC Extended Universe.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
Relentlessly cheery Ned Flanders enjoys a nice piece of bread with water on the side for dipping See them in The Simpsons.
Tony Montana makes up for his language barrier with his immense skill at cursing as loud and effectively as humanly possible. See them in Scarface.
A Berlin-based locksmith by day, Wolfgang Bogdanow is a world-class thief by night. He can also see out of other people's eyes, but that's a different issue. See them in Sense8.
Talking to a stranger on a train is the best decision Jesse Wallace ever made. See them in Before Sunrise.
Gordie Lachance never had any friends later on like the ones he had when I was twelve. See them in Stand By Me.