The Graeae are the sisters of the Gorgons, Medusa and Stheno & Euryale. They share one tooth and one eye each and will drive yanywhere in Chariot of Damnation for one drachma. They are also called The Grey Sisters or The Grey Ones. They are the daughters of Phorcys and Ceto.
Only one Graeae has the eye or tooth at a time.