Dr. Goat appears in the Dr. Slump chapter "Heel, Achilles!". He heals Arale Norimaki's dog, Poop, who was crashed from a car. He portrays the mayor of Penguin Village in the chapter "My Toilet Paper". Dr. Goat appears again in "Mammoth Midori: Part 2", taking care of Midori Yamabuki. He helps Senbei Norimaki, Arale, and Gatchan dislodge a deadly mosquito from Midori's body with the Big-Small Ray Gun.