Mummygrade is a fusion of Benmummy, the Thep Khufan, and Upgrade, a Galvanic Mechamorph creating a Galvanthep Mekhufan.
As the name and appearance suggest, he has the powers of both a Galvanic Mechamorph and a Thep Khufan. He has the ability to mesh with non-organic entities, but due to the Thep Khufan in him, he can mesh with some organic lifeforms as well. Thep Khufan DNA also allows him to stretch his body to even more amazing lengths than a Galvanic Mechamorph. Thep Khufan DNA also allows him great strength, regeneration, space survivability and enhanced agility.
The alien no longer has a thin, flimsy looking stature like a Thep Khufan, but instead takes on a sturdier form due to the Galvanic Mechamorph DNA.The only parts reminiscent of the Thep Khufan in him are his general body form, two long strands stretching from his chest and over his shoulders and a loincloth-like protrusion coming from his waist. Though a lot of his body has a circuit pattern like a Galvanic Mechamorph, some areas are (what would be white on a normal Galvanic Mechamorph.) a sort of yellowed white.