Volvo Saigo serves as an antagonist in "Kochira Katsushika-ku Kamearikouen-mae Hashutsujo The Movie 2: UFO Shūrai! Tornado Daisakusen!!". He is a member of the terrorist organization spearheading the UFO-shaped tornado attack on Tokyo. During the conflict, he wields multiple heavy weapons, including an RPG-26 rocket launcher, an M67 hand grenade, and an FN Minimi machine gun directed at Keiichi Nakagawa. His role within the terrorist group's plan is operational. Available sources indicate no further background, character development, or appearances in other KochiKame media.