[[Ushiromiya Battler]]'s [[dark persona]], he represents theories that place Battler as the culprit. Mainly depicted as a cold-blooded and borderline sadist murderer, along with his parents Rudolf and Kyrie. He later became a playable character in the Umineko fighting game [[Ougon Musou Kyoku]]. 
Dressed mainly in black and purple colours, with red eyes.

黒戦人 くろばとら