Charon is the ferryman of Hades war carried the newly deceased across the rivers Styx and Acheron that divded the world of the living from the world of the dead.Incidentally in Hindu mythology also deads are to cross a river named Baitarini .
Grim Reaper: "Cerberus and Persephone," by Laura Csajagi, at deviantART. In Greek myth, the three-headed dog Cerberus ("Spotted") guarded the of the The Persephone ("Corn Striker" or "Death Bringer") was the wife of the Underworld Hades.
Hercules final labor was to capture Cerberus, the three headed dog that guarded the underworld. Hercules got permission to take Cerberus from Hades, but Hades told him he could only have him if Hercules subdued him without using any weapons.