Argus (Argos) Panoptes (Ἄργος Πανόπτης) (Argus) was a many-eyed giant in Greek mythology. Also, he was known as "All-seeing Argos".
Arestor (Ἀρέστωρ) was the father of Argus.
Some of his eyes were asleep and some were open, so Argus could be a guard.
He was the guardian of Io (Ἰώ). Hera asked Argus about this.
Argus was killed by Hermes. Then Hera placed his eyes on the peacock's tail.