Iron Studios Thundercats Mumm-Ra Art Scale 1/10 StatueFrom Iron Studios. The evil enemy of the ThunderCats gets its version from Iron Studios! From the darkest corners of the planet called the Third World, Iron Studios proudly presents the ThunderCats` greatest archenemy, the evil sorcerer Mumm Ra! On a base in the shape of an altar, Mumm Ra in this form, has super strength, can cast spells, can also cast bundles of energy from his fingers, and can fly and change shape, but he also has a unique weakness: