Professor Ootsuki
Age	Unknown
Race	Human
Eyes	Black
Hair	Dark Gray
First Appearance	Alliance of the Golden Witch

Professor Ootsuki is the foremost Japanese member of the Witch Hunt, an international organization of enthusiasts dedicated to researching the tragedy on Rokkenjima from an occult perspective. The name of this organization was borrowed from the English fan translation group for the game, "Witch Hunt."