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
Syleus (mythology) Syleus (mythology) In Greek mythology, Syleus () was a man of Aulis, Lydia killed by Heracles for his nefarious deeds. He was the father of Xenodoce. In most versions Syleus owned a vineyard and forced all passers-by to dig it, which he might have attempted to do to Heracles as well. Heracles killed Syleus with the latter's own hoe and burned his vineyard down to the root. He also killed Xenodice. According to Conon, Syleus had a brother Dicaeus (elsewhere mentioned as the eponym of Dicaea in Thrace); their father was Poseidon. Unlike Syleus, Dicaeus was a just man -