(Πύθων), the famous dragon who guarded the oracle of Delphi, is described as a son of Gaea. He lived in the caves of mount Parnassus, but was killed by Apollo, who then took possession of the oracle. (Apollod. 1.1 ; Strab. ix. p.422.)
[L.S]A Dictionary of Greek and Roman biography and mythology
Smith, William
A Dictionary of Greek and Roman biography and mythology. William Smith, LLD, ed. 1890