Medusa part of their religion. Medusa was beheaded by the hero Perseus, who thereafter used her head, which retained its ability to turn onlookers to stone, as a weapon until he gave it to the goddess Athena to place on her shield. In classical antiquity the image of the head of Medusa appeared in the evil-averting device known as the "Gorgoneion". The three Gorgon sisters—Medusa, Stheno, and Euryale—were all children of the ancient marine deities Phorcys (or "Phorkys") and his sister Ceto (or "Keto"), chthonic monsters from an archaic world. Their genealogy is shared with other sisters, the Graeae, as in
Sisters of Perpetual Indulgence to 60 people had been arrested, the Sisters decided to move the celebration and Halloween in the Castro ended. The next year, the Sisters hosted a costume-mandatory dance named HallowQueen in a South of Market gay nightclub, which raised over $6,000 for charity. A decade later the city was still struggling to manage the Halloween event. In 2006 nine people were wounded when a gunman opened fire at the celebration; it was canceled in 2007. The Sisters continued to organize private and safe events, raising money every year for charity. Without city funds they managed to keep the chaos under