Earth has gone through 12 different incarnations, triggered by different cosmic events within D-120, which constitutes in the destruction and the re-creation of everything within the dimension. Not much is known of the previous incarnation of Earth, as whenever the Renewal starts, almost all species, life etc is destroyed. Only known entities to survival is the God of the Bible, Chaos and Death. However, it is said the Third Incarnation was in control of an species outside of the dimension called Energon, a race energy bio-organisms, to which according to Chaos came from the Transformers Mulitverse.