The monster that Johnny hides away by painting his victim's blood on the wall of his house. At one point in the series, Johnny is unable to paint the wall because of an accidentally self-inflicted gunshot wound. This, and his approaching death, is what causes the monster to break free. This is why one of the doughboy's wants Nny to kill himself, their "master" behind the wall needed Johnny dead in order to liberate it, while the other doughboy wants to keep their master imprisoned so they can be free. The monster breaks free and it goes on a rampage through Johnny’s house, killing many of the victims imprisoned there. Presumably it is the animated cesspool of human negative emotional residue the devil spoke of in his monologue. Fans have named this creature "Moose" because of a caption in