Prypiatosian A's are from the frozen world of Votosk, so cold that temperature is just an abstract thought. Due to these conditions, Prypiatosians have evolved to become heat producing, nuclear powered, hydrogen based lifeforms. Their nuclear life force means that they live for hundreds of thousands of years, and never run out of energy as long as they live. A small group of them upgraded their armor and went to the Andromeda galaxy, becoming Prypiatosian B's. The A's still lived on Votosk, but heard of a planet where nuclear energy is used as power, so they have come to the Earth in particular. Prypiatosian A's are 60 feet tall as adults, and have a much thicker shell than younger members of the species.
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