Hercules was both the most famous hero of ancient times and the most beloved. More stories were Zeus, Hercules ' father, was the most powerful of the gods. Hercules is the Roman adaptation of the Greek divine hero Heracles, who was the son of Zeus (Roman equivalent Jupiter) and the mortal Alcmene. In classical Heracles · Alcmene · Hercules ( film) · Hercules ( film). Heracles (or Hercules) is best known as the strongest of all mortals, and even He was the last mortal son of Zeus, and the only man born of a mortal woman to.