One of them was the son of Laomedon and brother of Priam, king of Troy. Another Clytius was one of the Giants or Gigantes, sons of Gaea, and who was killed by Hecate in the great battle between the Giants and the Olympians, called the Gigantomachy. A different character of the same name was an Argonaut, who took part in the Argonautic Expedition in the effort to retrieve the mythical Golden Fleece; he was killed by King Aeetes. Clytius was also the name of the son of Alcmaeon and Arsinoe, who was forced to flee from his home to avoid the wrath of his vengeful uncles.
Clytius Is also called Klythios, Klytios, Clytios, Klytius.