Because you like Steven Grant in Marvel Cinematic Universe

Joe Goldberg works at a local bookstore and charms most girls sock's off. He is also a serial killer, but no one is perfect! See them in You.

Peter Kavinsky is a jock who only cares about getting back at his ex, or so he says. See them in To all The Boys I've Loved Before.

Helena is a mentally unstable, childish, and completely merciless. And most of all, she's an unstoppable killer. See them in Orphan Black.

Villanelle is a hired assassin who loves committing murder as much as she loves dressing up in fancy pink ballgowns. See them in Killing Eve.

Vincent Vega likes a good steak, a cheap milkshake, and killing a target without anything going wrong. See them in Pulp Fiction.

Sue Sylvester has a win-at-all-costs philosophy, a bizarre fixation on a school singing club, and a fashion style that involves a red tracksuit. See them in Glee.

Toby Cavanaugh has trouble avoiding being manipulated. See them in Pretty Little Liars.

Cyclops shoots lasers out of his eyes, destroying anything in his line of sight. See them in X-Men Series.

The only constant in Night Vale is Cecil's hypnotic voice. See them in Welcome to Night Vale.

Egon Spengler prefers collecting spores, molds, and fungus to interacting with people. See them in Ghostbusters.