 Very little is known about this creature, beyond the fact that the shapeshifter was in fact a Xel'Naga, and by its own admission had adopted many aliases throughout its several millennia of existence.In each case that the shapeshifter appeared in a meaningful role, the creature has assumed the form of a Terran Male.The Shapeshifter's allegiance was to the fallen Xel'Naga Amon, and accordingly its actions were to further Amon's own goals.