The mythological figure tied to the establishment of the Olympic Games in ancient Greece is Heracles, also known as Hercules. In tradition, he was said to have founded the games in honor of his father, Zeus, after completing his famous twelve labors. The games emerged as a celebration of physical prowess, skill, and divine favor. They were not only religious festivals but also a unifying event for the Greek city-states, showcasing athleticism and heroism, ideals deeply rooted in Greek culture.