A giant monster appears when Sieg Karozo's mask cracks. He challenges the True Holy Machine Soldier Gunrex to a fight, but is defeated. In fact, he is not Sieg Karozo himself, but a monster who was acting as Sieg Karozo's double.
Names：
Iron Mask Bug Korozo
Status： Real Identity of Sieg Korozo
Tags： DevilMonsterLeaderNeo Zeon ClanPower of Darkness
Combination： Evil God Machine Soldier Rune Korozo
Old Enemy： Vassal Lord Superior Gundam
Real Identity： Musha Kage Sieg Korozo
World： the World of Europe Knights
Works： SD Gundam Gaiden: Holy Machine Soldier Story
LeveL： SS
A giant monster appears when Sieg Karozo's mask cracks. He challenges the True Holy Machine Soldier Gunrex to a fight, but is defeated. In fact, he is not Sieg Karozo himself, but a monster who was acting as Sieg Karozo's double.