-Nightmare is sadistic, cruel, unpredictable and cocky
-Error is selfish and playful, plays jokes, and make snarky teases at his enemies
-Killer is very thoughtful but not to the point of feelings, usually killing most of the time, hates being belittled
-Dust is careless, psychotic, and obsessed with killing the human doing whatever it takes to stop them
-Horror is cheerful skeleton with a welcoming and intelligent yet always hungry
-Cross is aggressive, introvert, hostile yet shy, kind and soft