In Greek mythology, Phoenix was the son of king Amyntor. Because of a dispute with his father, Phoenix fled to Phthia, where he became king of the Dolopians, and tutor of the young Achilles, whom he accompanied to the Trojan War. After Achilles had in anger withdrawn from the war, Phoenix tried to persuade Achilles to return.

In Greek mythology, Achilles or Achilleus was a hero of the Trojan War who was known as being the greatest of all the Greek warriors. A central character in Homer's Iliad, he was the son of the Nereid Thetis and Peleus, king of Phthia and famous Argonaut. Achilles was raised in Phthia along with his childhood companion Patroclus and received his education by the centaur Chiron. In the Iliad, he is presented as the commander of the mythical tribe of the Myrmidons.