Because you like Bernard Black in Black Books
Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.
A gifted detective, Rust Cohle is as dark and twisty as any murderer he chases. See them in True Detective Season 1.
Herion is Mark Renton's favorite drug. He sniffs it, smokes it, swallows it, sticks it up his arse, and injects it into his veins. See them in Trainspotting.
Cynical, judgmental, and hipper-than-thou, Enid Coleslaw wears her outsider status like a badge of honor. See them in Ghost World.
John Yossarian is trapped in irony as he must be insane to leave the war but if he does try to leave, he'll be deemed sane and will be forced to stay, See them in Catch-22.
Nicholas Angel is super-dedicated to his job as a police officer. Maybe a little too dedicated. See them in Hot Fuzz.
Blunt but anxious, Gretchen Ross bonds most easily with those who have lived tough lives like she has. See them in Donnie Darko.
Detective Alec Hardy doesn't let anyone get too close to him. See them in Broadchurch.
Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.
Louis de Pointe du Lac is wanting to find a way of living that doesn't make him miserable. See them in Interview with the Vampire: The Vampire Chronicles.
Oliver Tate is extremely articulate but hopelessly awkward. That's not a recipe for teenage happiness. See them in Submarine.
Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.