The only mortal of the Gorgons, her gaze was enough to turn anyone into stone

Having the body of a serpent and several heads, this water beast could regrow two firebreathing heads where one had been severed

Defeated by Heracles as his First Labor, this giant cat-monster had an inpenetrable hide and a ferocious roar

A winged lion with the head of a woman, this monster ultimately threw herself from her cliff after Oedipus solved her riddle

This half-man, half-bull horror, slayed by Theseus, was the offspring of Pasiphae and the Cretan Bull

This three-headed watchdog of Hades was taken from the Underworld by Heracles as his Twelfth Labor

This sea monster dwelled on one side of the Strait of Messia, and her many heads devoured six of Odysseus' men

With the head of a beautiful nymph and the body of a serpent, this monster is often known as 'The Mother of All Monsters'

Having the head of a lion, the body of a she-goat, and the tail of a dragon, this monster terrorized Lycia and was killed by Bellerophon

Known as 'The Father of All Monsters', he was trapped under Mount Etna after trying to overthrow the Gods

This most famous Cyclops was the first challenge Odysseus encountered, blinding him with a sharpened stick

This sea monster dwelled on one side of the Strait of Messia as a whirlpool that devoured passing ships

These creatures had the head of a woman and the body of a bird, luring sailors with their beautiful songs to their destruction

These specters (ghost-like creatures) devoured frightened travelers that crossed their paths

Bearing two ferocious heads, this canine beast guarded a herd of red cattle on the island of Erythea

These winged beasts had the heads of ugly women with crooked, sharp talons and often carried people off to the Underworld for eternal torture

The Guardian of the Hesperides, this hundred-headed dragon was fooled by Heracles as his Eleventh Labor

These birds, who bred at an exponential rate, were sacred to Ares, had metallic feathers, and were killed by Heracles as his Fifth Labor

This enormous boar roamed the forest region around Mount Erymanthus and was captured by Heracles as his Third Labor

A three-bodied winged beast, he was killed by Heracles as his Tenth Labor after losing his herd of oxen

These followers of Dionysus have the torso and head of a human with the body of a horse

A winged horse fathered by Poseidon and Medusa

This bird, when it feels its death approaching, sets its nest on fire and is consumed, only to be born again

These creatures have the body of a man, but the tail, flank and hooves of a goat

This female snake-like creature was seen as a vampire, and stole children in order to drink their blood