One of Godzilla's most powerful foes owes its existence to the only weapon ever to prove truly effective against the King of the Monsters -- the Oxygen Destroyer that disintegrated the original Godzilla back in 1954. According to scientific conjecture, the anaerobic conditions that resulted in Tokyo Bay due to the Oxygen Destroyer's effects revived a colony of Precambrian era crustaceans that soon grew to human size and beyond -- ultimately amalgamating into one armored, winged, bipeal behemoth dubbed Destoroyah. Destoroyah was finally destroyed by special cooling weapons aboard the Super X3. After Destoroyah was killed, the Super X3 tried to stop Godzilla's meltdown by using the same weapons, which ultimately failed.