Hans von Zettour serves as Deputy Director of the Service Corps in the Imperial Army's General Staff. A scholarly general with a profound strategic mind, he functions as a vital pillar of the military establishment alongside his colleague Kurt von Rudersdorf. His appearance features grey hair and blue eyes, with the manga adaptation depicting a monocle over his left eye and the anime showing both eyes closed yet retaining normal mobility. He wears a German-designed general's uniform bearing medals on his left chest. Zettour exhibits quiet seriousness and academic rigor. He approaches military matters through rationalism and risk assessment, rejecting unfounded idealism. His loyalty to the Empire manifests in prioritizing pragmatic solutions that ensure military efficiency and soldier welfare. This pragmatism led him to oppose the Empire's initial major offensive against Legadonia during a military conference—a stance ultimately overruled. Appointed Deputy Director of the Service Corps following the Republic Army's invasion, a chance encounter with Tanya Degurechaff at Charloburg War College sparked a discussion about the war, inspiring him to authorize her command of a mage battalion. He later published the strategic paper "The form of the current war and prediction on its development" and proposed establishing a rapid-reaction mage battalion, subsequently approved by the General Staff. His logistical acumen proved decisive in the Dacian campaign, where he orchestrated troop deployments and supply chains prior to combat, earning promotion to Major General. During strategic discussions, he advocated prioritizing enemy force elimination over territorial conquest and recommended swift, decisive measures to address the Arene Incident. He was later promoted to Lieutenant General. Zettour supported Tanya Degurechaff's proposal to assault the Federation capital, viewing it primarily as propaganda despite her battalion's deep penetration. He later presided over the court of inquiry investigating the 203rd Mage Battalion's raid on Moskva. Following a discussion with Tanya, he reassigned her to a Western research and development role. Subsequently, he contacted her to discuss forming the experimental combined arms unit Kampfgruppe "Salamander," integrating infantry, armor, artillery, and the 203rd Aerial Mage Battalion under her command for field testing her tactical concepts. Zettour is referenced as having an unmarried granddaughter. His name draws inspiration from the historical German general Hans von Seeckt.