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
Brumberg sisters Brumberg sisters Valentina Semyonovna Brumberg (; — 28 November 1975) and Zinaida Semyonovna Brumberg (; — 9 February 1983), commonly known as the Brumberg sisters, were among the pioneers of the Soviet animation industry. In half a century they created around 50 films as animation directors, animators and screenwriters, always working together. They were named Meritorious Artists of the RSFSR in 1968. Valentina and Zinaida Brumberg were born in Moscow into a Jewish family. Their father Semyon Brumberg was a doctor who later took part in the World War I, while their mother Cecilia Brumberg was a music teacher. They