This isn't late, what.

If you're having difficulty coming up with your cast of characters, "this"   might help. Who would your protagonist know? Who would your antagonist (if your antagonist is a person) know? Family? Friends? Coworkers? That random person they know in an alleyway?

"Whoever fights monsters should see to it that in the process he does not become a monster. And when you look long into the abyss, the abyss also looks into you."-Nietzsche