Hepai En

He appeared as a defender of Zeus, and is also noted as one of the players who drank the Aqua of the Gods. Zeus played against Teikoku and won. His team played against Raimon in Football Frontier finals. In the end, they lost with 3-4. When the Football Frontier arc ended, he never reappeared.
His name is based on Hephaestus, the Greek God of fire and technology.