On Unbelievable Stories

It is said that Caineus was originally a woman but was later turned by Poseidon into a man who could not be wounded by bronze and iron. Actually, as a young boy Caineus was loved by Poseidon, and later on when he reached manhood became strong-willed and indomitable. He could not be bought off by gifts of bronze and iron. (Gold and silver were not yet in use.)