A mysterious ghost, said to be intense desire incarnate.
During Japan's period of economic growth, it would appear in homes, where it would eat 25 bowls of rice at every meal, thereby raising Engel's coefficient. However, it was afraid of dogs, so homeowners would always keep a dog on hand.
Ghost Q is the first of the New Game+ exclusive Fiend fights, being an optional battle at the end of the 2nd day. It challenges the party to find a treasure it has hidden in one of three storage cards spreads around the area. If Hairy Jack is in the party, Ghost Q will panic at the sight of it.