The character Ivan does not appear in the anime "Gin Rei" (or "Ginrei Special" OVAs), where the central figure Ginrei drives episodic narratives involving a stolen dress, desert investigations, and a replica robot. Instead, Ivan's documented presence is confined exclusively to the "Giant Robo: The Night The Earth Stood Still" OVA series. Within that storyline, he functions as an antagonist and pilot of the Uranus robot under Lord Alberto's command in the Big Fire organization. His role, capabilities, and ultimate fate unfold solely within that main series' context. No narrative connections link Ivan to the events, episodes, or spin-offs of the "Gin Rei" OVAs.