As soon as the user puts on the jacket, they will turn into Spike. Spike is an anthropomorphic ghost cat with white fur. Spike has scars on his neck and his face. His blood is blue. He has completely green eyes with lime green circles inside. His tail is possessed by a parasitic spirit, his tail is as dumb as bricks and often hits itself against things. His tail has a mouth and a large blue tongue. His tail is slightly larger than his body.