1. A son of Poseidon and Melantho, a daughter of Deucalion, from whom the town of Delphi was believed to have derived its name. (Tzetz. ad Lycoph. 208; comp. Ov. Met. vi. 120.)

2. A son of Apollo by Celaeno, the daughter of Hyamus, and, according to others, by Thyia, the daughter of Castalius, or by Melaena, the daughter of Cephissus. Tradition pointed to him also as the person from whom Delphi received its name. He is further said to have had a son, Pythis, who ruled over the country about mount Parnassus, and from whom the oracle received the name of Pytho. (Paus. x. 6. §§ 2 and 3.)