He is partened with Cyberdramon in Brave Tamer (as Monodramon) and Digimon Tamers. Brave Tamer explains that his nemesis, Millenniummon, was the Digimon who has destined to be his partner, and it is implied that his later partnership between Monodramon is only possible due to his jogress with Milleniummon final form, ZeedMilleniummon. Furthermore, in Digimon Adventure: Anode Tamer and Cathode Tamer, Ryo is briefly partened with Tai Kamiya's Agumon. In Digimon Adventure 02: Tag Tamers and Digimon Adventure 02: D-1 Tamers he is partened with Davis Motomiya's Veemon.