Mirumo Tsukiyama

月山観母

aka Croque Monsieur

Mirumo Tsukiyama (月山観母) is an extremely wealthy and eccentric ghoul, well-known within ghoul society for being extravagant. He is the father of Shuu Tsukiyama, and took part in the auction as a major bidder under the alias Croque Monsieur.