In Greek mythology, Iolaus was a Theban divine hero. He was famed for being Heracles's charioteer and squire, and for helping with some of his Labors, as well as for being one of the Argonauts.
Heracles and his nephew, Iolaus. 1st century BC mosaic from the Anzio Nymphaeum, Rome.
Repoussé and engraved relief of Hercules (right), Eros (center) and Iolaus (left) on the Ficoroni cista.[citation needed] 4th century BC Etruscan ritual vessel
The Lernaean Hydra or Hydra of Lerna, more often known simply as the Hydra, is a serpentine lake monster in Greek mythology and Roman mythology. Its lair was the lake of Lerna in the Argolid, which wa
Iolaus
…that it was popular for lovers to make reciprocal vows of affection at his tomb. Iolaus provided essential help to Heracles in his battle against the Hydra, his second labor. Seeing that Heracles was being overwhelmed by the multi-headed monster (the Lernaean Hydra), who grew two heads in place of each one…
Lernaean Hydra Getty Villa 83.AE.346
Pollaiuolo's Hercules and the Hydra (c. 1475). Uffizi Gallery, Florence, Italy
Portrait of Henri IV as Hercules pinning the Hydra of Lerna, an allegory of the Navarrese king's defeat of the Catholic League during the French Wars of Religion. Workshop of Toussaint Dubreuil, c. 1600.