Kati Mannequin is a fictional character in Kidou Senshi Gundam 00. She is a highly capable Earth Sphere Federation officer and one of the key military leaders involved in the conflict against the Gundam Meisters and the various factions surrounding them. Calm, disciplined, and strategic, Kati often serves as a counterbalance to more impulsive commanders. Her role in the series is that of a professional tactician and important supporting figure whose decisions influence major military operations and the broader political struggle.