Carozzo Ronah

The mysterious commander of the Crossbone Vanguard forces. Iron Mask is actually Cecilys father Carozzo a brilliant scientist who married into the Ronah family but was then abandoned by his wife Nadia. Hiding his shame and humiliation behind a metal mask Carozzo turned himself into an artificially enhanced cyberNewtype in order to help realize the ambitions of his fatherinlaw Meitzer Ronah. As Iron Mask he possesses superhuman strength and mental powers and a ruthless dedication to the Crossbone Vanguards ideals. Source: Gundamofficial.com