id author title date pages extension mime words sentences flesch summary cache txt en-wikipedia-org-9274 Cerberus - Wikipedia .html text/html 10946 1557 74 Cerberus' only mythology concerns his capture by Heracles.[28] As early as Homer we learn that Heracles was sent by Eurystheus, the king of Tiryns, to bring back Cerberus from Hades the king of the underworld.[29] According to Apollodorus, this was the twelfth and final labour imposed on Heracles.[30] In a fragment from a lost play Pirithous, (attributed to either Euripides or Critias) Heracles says that, although Eurystheus commanded him to bring back Cerberus, it was not from any desire to see Cerberus, but only because Eurystheus thought that the task was impossible.[31] In Greek art, the vast majority of depictions of Heracles and Cerberus occur on Attic vases.[120] Although the lost Corinthian cup shows Cerberus with a single dog head, and the relief pithos fragment (c. ./cache/en-wikipedia-org-9274.html ./txt/en-wikipedia-org-9274.txt