(Φᾶιστος), a son of Rhopalus, and grandson of Heracles, was king of Sicyon, from whence he emigrated to Crete. (Paus. 2.6.3.) He is said to have established at Sicyon the custom of worshipping Heracles as a god, since before he had only been honoured as a hero, (Paus. 2.10. § l; Eustath. ad Hom. p. 313.) A second Phaestus wis a son of Borus, of Tarne, in Maeonia, and was slain by Idomeneus at Troy (Hom. Il. 5.431.)