An unhealthy fixation / obsession / admiration for certain fictional characters, such as the punisher, the joker, rick sanchez, scarface, tony soprano, rorschach, etc
Treating other people like game pieces or tools.
"Only the strong survive..."
Laughs at, mocks, or otherwise dismisses others' trauma.
Inappropriate jokes at inappropriate times regarding inappropriate topics. "It's just a joke!"
Thinks everyone / everything else is the problem.
Acts like they'll literally die if they don't get sex, right now, from a supermodel.
Thinks being "manly" means being an aggressive predatory assh*le.