Question: what is giygas supposed to be?
Answer: Giygas (in Japanese: ギーグ, Gīgu), also called Giegue, is the main antagonist in the videogames Mother/EarthBound Beginnings and Mother 2/EarthBound. Known as the "Universal Cosmic Destroyer" or the "Embodiment of Evil", he is an alien conqueror who wields an incredible psychic power, which would later be called PSI.