Lugos (Gaulish) or Lugus (Latin), also known by other names, is a god of the Celtic pantheon. His name is rarely directly attested in inscriptions, but his importance can be inferred from place names and ethnonyms and status as king of the gods. His nature and attributes are deduced from the distinctive iconography of Gallo-Roman inscriptions to Mercury, who is widely believed to have been identified with him, and from the quasi-mythological narratives involving his later cognates, Welsh Lleu Llaw Gyffes and Irish Lugh Lámhfhada.