2012 Dionysus, Bacchante, Bacchanalia - Gods and Goddess cults Dionysus/Bacchus  was the  god  of the grape harvest,  winemaking  and  wine , of ritual madness and  ecstasy  in  Greek mythology .he earliest cult images of Dionysus show a mature male, bearded and robed. He holds a  fennel  staff, tipped with a pine-cone