The Manimals were intended to be the next phase of the "Lunartix Empire Star Brigade" figures. Six figures were planned for late 1994 - but the G.I.Joe line was cancelled before these figures hit the stores.
Each a different kind of alien, all the Manimals had a transforming ability. In addition, the Manimals were larger in size than regular 3 3/4" figures.
Unlike the similarly cancelled Ninja Commandos, a few dozen loose and perhaps one dozen carded of the original Manimals samples are available in the collector's market.
The mold was eventually re-used in 2001 to create a new version of Iguanus as a Kay-Bee exclusive.