Pegasus

In Greek mythology, Pegasus is the winged horse fathered by Poseidon with Medusa. When her head was cut off by the Greek hero Perseus, the horse sprang forth from her pregnant body. The Corinthian hero was able to capture the horse by using a golden bridle, a gift from Athena. The gods gave him Pegasus for killing the monster Chimera but when he later attempted to ride to the summit of Mount Olympus, Pegasus threw the hero when Zeus sent a gadfly to sting the horse, and Pegasus rose into the heavens to become a constellation.