Professor Hamaguchi is the commander of Camp Big Falcon fortress at the beginning of the Voltes V series. He helped design and build the Voltes V robot and is a good friend of Professor G�. He is somewhat a father figure to the Voltes team, especially to the G� brothers due to his relationship with their father. He managed Big Falcon on Professor G�'s behalf until he was killed saving Voltes V. (Source: Wikipedia)