SpaceGodzilla (supesugojira) is an extraterrestrial genetic clone of Godzilla and the main villain in the movie Godzilla vs. SpaceGodzilla and the main antagonist in the games Godzilla: Save the Earth and Godzilla Unleashed.
SpaceGodzilla was first seen flying through space, where he destroyed a manned NASA satellite. He battled while he was on his way to Earth, and defeated the mecha. He then landed on and attacked , but arrived to save him. SpaceGodzilla quickly overpowered Godzilla using his skills, and then trapped Little Godzilla in crystals. He flew away and flew over , eventually landing and setting up his fortress in .
M.O.G.U.E.R.A. arrived in Fukuoka to battle SpaceGodzilla again, but was no match for the monster. Godzilla soon arrived as well and joined forces with M.O.G.U.E.R.A. M.O.G.U.E.R.A split into and . Land Moguera drilled underground and knocked out the foundations of SpaceGodzilla's power source, the , while Godzilla toppled the tower from ground level. Godzilla then had the upper hand, and M.O.G.U.E.R.A. used its spiral grenades to destroy SpaceGodzilla's shoulder crystals. In retaliation, SpaceGodzilla blasted off one of M.O.G.U.E.R.A.'s arms, and proceeded to impale the mecha on his tail and throw it into a nearby building.
Akira Yuki tried to pilot the damaged mech back into battle, colliding with SpaceGodzilla. However, the damage to the machine made it almost impossible to control, and the machine crashed into several buildings. The weakened SpaceGodzilla was about to explode, but Godzilla blasted him with his red spiral ray multiple times. SpaceGodzilla let out a weak roar and finally exploded into spores of light that floated back up into space.