Deino (terrible) In Greek mythology, daughter of Phorcys and Ceto; one of the three Graeae—the others being Enyo and Pephredo— who were guardians of the Gorgons. They had one eye and one tooth among the three of them.
Source:
Encyclopedia of World Mythology and Legend, Third Edition – Written by Anthony S. Mercatante & James R. Dow– Copyright © 2009 by Anthony S. Mercatante
