hailing from the mysterious planet x (located behind jupiter), the (in "invasion of astro-monster", 1965) pleaded for assistance from the people of earth, as it seemed king ghidorah, having been driven off earth the previous year by godzilla, rodan, and mothra, was now assaulting their planet. mankind allowed the aliens to "borrow" godzilla and rodan, and the two monsters were transported to planet x and were successful in driving king ghidorah away.