Proto-Indo-European mythology also in the myths of the slaying of the nine-headed Lernaean Hydra by Heracles and the slaying of Python by Apollo. The story of Heracles's theft of the cattle of Geryon is probably also related. Although Heracles is not usually thought of as a storm deity in the conventional sense, he bears many attributes held by other Indo-European storm deities, including physical strength and a knack for violence and gluttony. The original Proto-Indo-European myth is also reflected in Germanic mythology. In Norse mythology, Thor, the god of thunder, slays the giant serpent Jörmungandr, which lived in the waters surrounding the
Ghidorah, the Three-Headed Monster Yoshio Tsuchiya was originally attached to play Malmess but scheduling conflicts prevented him from participating. After the success of previous films where monsters were partnered up such as "King Kong vs. Godzilla" and "Mothra vs. Godzilla", producer Tomoyuki Tanaka decided to develop a film which would feature Godzilla, Rodan and Mothra. The film also includes a new monster, King Ghidorah. Ghidorah's design owes much to Japanese mythology. In 1959, producer Tanaka developed a film that retold the legendary stories of Japan. These included the tale of "Yamata no Orochi", an eight-headed dragon. King Ghidorah is based on Tsuburaya's design for