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
Ceyx of Trachis Ceyx of Trachis In Greek mythology, Ceyx (; Ancient Greek: Κήϋξ, "Kēüx") was a king of Trachis in Thessaly. He received Heracles, and Heracles's sons later fled to him. Some accounts make him Amphitryon's nephew, with Heracles building Trachis for him. Muller supposes that the marriage of Ceyx and his connection with Heracles were the subjects of ancient poems. Ceyx befriended Heracles and offered him protection against King Eurystheus. Ceyx's son Hippasus accompanied Heracles on his campaign against King Eurytus of Oechalia, during which Hippasus was slain in battle. Ceyx also had a daughter named Themistonoe, who married King Cycnus.