Because you like Bobby Baccalieri in The Sopranos
Ultron is security software turned evil mastermind. See them in Marvel Cinematic Universe.
You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.
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.
Hoban Washburne shows you can be a hotshot space pilot *and* play with dinosaurs. See them in Firefly.
CIA operative Carrie Mathison is on a self-assigned mission to follow a lead, whether it be the truth or just her delusions playing tricks. See them in Homeland.
Hunting ghosts is both a job and a passion for Abby Yates. See them in Ghostbusters (2016).
A short-tempered guy, Bowser is determined to wreak havoc on the Mushroom Kingdom. See them in Super Mario Bros..
Andrew Glouberman is trying to make it through puberty with his sanity intact. See them in Big Mouth.
Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.
Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.