Because you like William A. Rawls in The Wire
A gifted detective, Rust Cohle is as dark and twisty as any murderer he chases. See them in True Detective Season 1.
Xander Harris' life motto: laugh in the face of danger and then hide until it goes away. See them in Buffy the Vampire Slayer.
Let's just say Sheldon Oberon is having an out-of-body experience like no other. See them in Jumanji.
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.
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
Hunting ghosts is both a job and a passion for Abby Yates. See them in Ghostbusters (2016).
It's impossible to say whether Winifred Burkle is cuter than she is smart, or vice versa. See them in Angel.
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.
Andrew Glouberman is trying to make it through puberty with his sanity intact. See them in Big Mouth.
In constant agony, Ava Starr will do anything to give up the superpowers that are slowly killing her. See them in Marvel Cinematic Universe.
Kilgrave is a domineering, abusive boyfriend. Then, add in the power of mind control. See them in Marvel Cinematic Universe.