A Godzillasaurus is a species of theropod Dinosaur. It appeared in the Heisei Series and is accepted as what Godzilla was before being mutated by the atomic bomb. Its height is 12 meters tall (40ft) And weighs about 66 meteric tons. It was only seen in the 1991 movie King Ghidorah vs. Godzilla. Where it lived on Lagos Island and was attacked by soliders in World War II. This was observed by Futurians that had traveled back in time in a bid to destroy Godzilla. They transported the mortally wounded creature to the Bering Sea, beliving that it would die. However in an incident involving a nuclear submarine, the near dead Godzillasaurus became the Godzilla that first attacked Japan in 1984.