Detailed Information of Superhero
The barbarians of Katharta invoked Agogin's name
Agogin's nature was never revealed, and it could be a non-magical being, such as an ancestor or an historical figure, or even a location, though it was invoked in the expression "Agogin's beard!" in Fear #19 (December, 1973; first mention of Agogin), indicating a being.
Fear #19 (September, 1973) (Mentioned)