Dr. Nogut is the 6th boss from the Infinite Inferno in the first game, needing to be defeated to gain access to the 7th floor.
The Yo-kai Medallium bio reads: "A mad doctor Yo-kai who wants to create an ideal creature by blending parts from humans and Yo-kai alike! He even used his own guts in one experiment!"
Dr. Nogut resembles his normal counterpart Dr. Maddiman except he has a dark trench coat and golden claws. He has a big eye a purple heart on a golden hanger. He also has a red eye and dark slippers unlike Maddiman.