Board Thread:Monster Discussions/@comment-5968396-20151117213902/@comment-27050484-20160514185557

Destoroyah was created accidentally when the Oxygen Destroyer bomb was detonated in order to destroy the original Godzilla in 1954. It caused a colony of Precambrian Crustaceans to awaken from hibernation and mutate into Destoroyah, becoming everything Dr. Serizawa feared from his Oxygen Destroyer research.