There is a story about Hercules, Hades, and the three-headed dog, Cerberus.  One of the Labor of Hercules was to bring the dog Cerberus back from the Underworld. Hercules was not supposed to harm the dog, just borrow him. Still, Hades was a bit worried. He really loved that three-headed dog. But he liked Hercules, so he let him borrow Cerberus, just a short time.  Heracles (Hercules) Hercules (read and hear)  The 12 Labors of Hercules - How Hercules became a god  Hercules: Greece's Greatest Hero Hercules Poem (powerpoint)  Free Ancient Greek PowerPoints  To learn more about Ancient Greece, click on Apollo