Because you like Catherine Deane in The Cell
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.
Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.
Blunt, petty, neurotic, Larry David can never live and let live. See them in Curb Your Enthusiasm.
Sideshow Bob is a bitter ex-performer who was forced to do inhumane stunts for slapstick comedy. Now he's exacting revenge on his former boss, a clown. See them in The Simpsons.
Gordie Lachance never had any friends later on like the ones he had when I was twelve. See them in Stand By Me.
Reckless, vulgar, loud-mouthed: that's what makes Amethyst so awesome. See them in Steven Universe.
Buddy Pine is an unhinged superfan of superheroes using technology to take down his idols. See them in The Incredibles.
Ruling with an iron fist, Pablo owns the drug trade and is bathing in the fame and wealth that the cocaine trade in Columbia offers. See them in Narcos.