Pegasus another was at Troezen. Hesiod relates how Pegasus was peacefully drinking from a spring when the hero Bellerophon captured him. Hesiod also says Pegasus carried thunderbolts for Zeus. There are several versions of the birth of the winged stallion and his brother Chrysaor in the far distant place at the edge of Earth, Hesiod's "springs of Oceanus, which encircles the inhabited earth, where Perseus found Medusa: One is that they sprang from the blood issuing from Medusa's neck as Perseus was beheading her, similar to the manner in which Athena was born from the head of Zeus. In another version,
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