Used to be optimistic, cheerful, and prideful until he got abandoned.
Turned into a depressed state, slightly insane, treacherous, monstrous, cruel, sadistic, ruthless, manipulative, and psychopathic.
What he does to his victims: Sadistically tortures children and breaks the minds of their parents by psychologically damaging them by using their children's deaths.
Gets children's trust with candy and acts friendly with them until the time is right.