A powerful breed of Mogi that dresses in imperial robes and has a tall dark hat that signifies its connection with the magical arts. Some believe because of its use of dark magic and its purple and gold robes that it is actually a remake of the Grandie, and therefore related to Joker.
A shogun was a hereditary military officer in Japan in olden times, usually appointed by the emperor. They often wore expensive ceremonial robes like this. One might argue that its name is a mistranslation of "Sorcerer Mogi," though.