Perseus is one of the greatest heroes of Greek Mythology. He was the son of mighty Zeus and mortal Danae. He is best known as the slayer of the Gorgon Medusa, a fearsome monster, and as the rescuer of the Ethiopian princess Andromeda. King Polydectes fell in love with Perseus' mother Polydectes knowing how perseus is protective of his mother Danae there for sended Perseus on impossible mission to kill Medusa. On his way back he saw andromeda tied to rock about to be eaten by sea monster. 