 Ovid makes them "serpent-footed" with a "hundred arms", and Nonnus has them "serpent-haired".The most important divine struggle in Greek mythology was the Gigantomachy, the battle fought between the Giants and the Olympian gods for supremacy of the cosmos.It is primarily for this battle that the Giants are known, and its importance to Greek culture is attested by the frequent depiction of the Gigantomachy in Greek art.