Professor Mush is a Mushroom Fairilu belonging to the Legend Fairilu species. His original name is Musshu Mush (ムッシュマッシュ). Connected to his body is Megumi (めぐみ), who is his assistant. It looks similar to Professor Mush, but is smaller and without any accessories or mustache. It doesn't have legs. Its mushroom cap is green. (Source: Rilu Rilu Fairilu Wiki)