According to Ovid, a giant called Argus had his hundred what preserved forever in a peacock's tail, by the goddess Hera?
Peafowl Hera's servant, the hundred-eyed Argus Panoptes, was instructed to guard the woman-turned-cow, Io. Hera had transformed Io into a cow after learning of Zeus's interest in her. Zeus had the messenger of the gods, Hermes, kill Argus through eternal sleep and free Io. According to Ovid, to commemorate her faithful watchman, Hera had the hundred eyes of Argus preserved forever, in the peacock's tail. The symbolism was adopted by early Christianity, thus many early Christian paintings and mosaics show the peacock. The peacock is still used in the Easter season, especially in the east. The 'eyes' in the peacock's tail
Pavo (constellation) peacock "symboliz[ed] the starry firmament" for the Greeks, and the goddess Hera was believed to drive through the heavens in a chariot drawn by peacocks. The peacock and the "Argus" nomenclature are also prominent in a different myth, in which Io, a beautiful princess of Argos, was lusted after by Zeus (Jupiter). Zeus changed Io into a heifer to deceive his wife (and sister) Hera and couple with her. Hera saw through Zeus's scheme and asked for the heifer as a gift. Zeus, unable to refuse such a reasonable request, reluctantly gave the heifer to Hera, who promptly banished Io