destoroyah

A draconic kaiju from the Godzilla series, first appeared in Godzilla vs. Destoroyah.

Originally a primordial microscopic organism born 2.5 billions years ago during the Precambrian period, where earth is still lacking in oxygen. Destroyah was awakened from stasis after the usage of Oxygen Destroyer bomb against the original Godzilla in 1954. After being exposed to enriched oxygen due to excavation work, Destroyah rapidly evolved to massive size.