FTP give the common name--the latter of which is killed by Heracles.
In Dante's _Inferno_, he is the creature—half man and half snake--who is the incarnation of fraudulence, and he shuttles travellers on his back from the 7th to 8th circle. In Greek mythology, he is the three-headed monster who dwells on the island of Erytheia, guarding a large herd of cattle. FTP give the common name--the latter of which is killed by Heracles.
In Dante's _Inferno_, he is the creature—half man and half snake--who is the incarnation of fraudulence, and he shuttles travellers on his back from the 7th to 8th circle.
{Geryon}