Perseus (constellation) may be derived from the Babylonian Old Man (MUL.SHU.GI) constellation, then associated with East in the MUL.APINan astronomical compilation dating to around 1000 BCE. In Greek mythology, Perseus was the son of Danaë, who was sent by King Polydectes to bring the head of Medusa the Gorgon — whose visage caused all who gazed upon her to turn to stone. Perseus slew Medusa in her sleep, and Pegasus and Chrysaor appeared from her body. Perseus continued to the realm of Cepheus whose daughter Andromeda was to be sacrificed to Cetus the sea monster. Perseus rescued Andromeda from the monster by
Perseus with the Head of Medusa Palazzo Vecchio. The third duke is directly related to the sculpture’s relief panel on the base as the "Perseus" can be seen as an allegory to Duke Francesco and Andromeda as his Habsburg bride, Giovanna. Similarly, Andromeda acts as an allegory to Florence, while Perseus is the collective Medici swooping down to save Florence. Cellini chose to represent the sad side of the story of Andromeda; however he drew focus to the Medici as Perseus saving the somber Andromeda. Every sculpture within the piazza responds politically or artistically to each other and the Medici. At the time the sculpture was