LEON was a leonine Gigante slain by Herakles in the war against the gods. The hero made a cloak of his skin.
A lion-headed Gigante does occur in the famous Pergamon reliefs depicting the War of the Giants.
|Presumably GAIA (see Gigantes)
Ptolemy Hephaestion, New History Book 5 (summary from Photius, Myriobiblon 190) (trans. Pearse) (Greek mythographer C1st to C2nd A.D.) :
"Herakles did not wear the skin of the Nemean lion, but that of a certain Leon (Lion), one of the Gigantes (Giants) killed by Herakles whom he had challenged to single combat."
- Ptolemy Hephaestion, New History - Greek Mythographer C1st-2nd A.D.
- Photius, Myriobiblon - Byzantine Greek Scholar C9th A.D.