Kekeru Goyu

Dr. Kekeru Goyu (豪遊 カケル Gōyū Kekeru) does not properly take care of Shizuka Jonouchi (Serenity Wheeler in the English Duel Monsters anime, and Shizuka Kawai in the original Japanese Duel Monsters anime), Jonouchi's sister. The doctor had fired Nurse Miyuki. The doctor loses to Dark Yugi in a putt-putt game. Dr. Goyu goes insane.