Perseus and Andromeda (Leighton) daughters of Poseidon, the god of the sea. When the nymphs became aware of her claims, they protested to their father, who retaliated by calling up a sea monster called Cetus to patrol and wreak havoc along the coastline of Ethiopia placing Cassiope's kingdom at risk. In response the Queen, together with her husband Cepheus, decided to sacrifice her daughter, Princess Andromeda, to the monster. Andromeda was chained to a rock at the edge of the sea as an offering to the monster. Perseus was travelling back home on his winged horse, Pegasus, after battling with Medusa. He rescued Andromeda
Gorgon it on the mirrored shield called Aegis and she gave it to Zeus. Another source says that Perseus buried the head in the marketplace of Argos. According to other accounts, either he or Athena used the head to turn Atlas into stone, transforming him into the Atlas Mountains that held up both heaven and earth. He also used the Gorgon against Cetus (when saving Andrometa) and a competing suitor. Ultimately, he used her against King Polydectes. When Perseus returned to the court of the king, Polydectes asked if he had the head of Medusa. Perseus replied "here it is" and