Inhumanoids.

Inhumanoids was an animated series and Hasbro toy property in 1986. In the tradition of other Hasbro properties such as Transformers and G.I. Joe, the show was produced by Sunbow and Marvel Productions and animated in Japan by Toei Animation. Inhumanoids tells the story of the scientist-hero group, Earth Corps, as they battle a trio of subterranean monsters called the Inhumanoids with the aid of elemental beings, the Mutores.