Paranormal investigator. [ Hellboy says it like someone might describe themselves as a lawyer or a farmer, then realises he might have to explain it a bit further. ]

When people get into spooky stuff they can't explain -- ghosts, monsters, vampires, things like that -- I help them out. I used to be part of an agency that took care of it. [ His expression goes a little dark and distant. ] Now I'm mostly.. freelance.