The fact that the hero used a reflective shield given him by Athena to avoid looking directly at Medusa suggests that the Gorgon had the power of turning to stone whoever looked upon her.
Spectral figure who ferried the dead across the river Styx, a bribe for whom persisted into modern times. The custom was to place a coin in the mouth of a corpse to secure its passage into Hades.
Woodland spirits who looked like men with various animal features such as horses' tails or goats' legs. Silenus was a satyr who traveled the world with the wine-god Dionysus, spreading the cultivation of the grape.