In the realm of the dead, he is forced to roll a block of stone against a steep hill, which tumbles back down when he reaches the top. Then the whole process starts again, lasting all eternity. His punishment was depicted on many Greek vases. He is represented as a naked man, or wearing a fur over his shoulders, pushing a boulder.
According to some sources, Sisyphus was the father of Odysseus by Anticlea, before she married Laertus. They also mention Theseus as the hero who freed the country of Sisyphus.