Ogmios (also known as Ogmius, Ancient Greek: Ὄγμιος) was the Celtic deity of eloquence. He looked like an older version of Heracles. He was also a binding god who would use his powers of persuasion to bind men onto himself and then lead them into the underworld.
Most of the knowledge about Ogmios comes from comparisons between him and powerful deities and heroes in other ancient cultures.
Read more about Ogmios: About The Deity, Comparisons To Other Cultures