Canoweissmon is an Ultimate Digimon.
In Ghost Game, Canoweissmon is the Ultimate form of Hiro's Gammamon. BetelGammamon and TeslaJellymon fights against Myotismon but they were no match to the latter as they were overpowered by Myotismon's bats. By the time BetelGammamon were overpowered he almost got out of control. But after being encouraged by Hiro, BetelGammamon Digivolved to Canoweissmon and briefly defeats Myotismon. Canoweissmon is also the Digivolved form of WezenGammamon and KausGammamon. In episode 26. WezenGamammon Digivolved to this form when battling Digitamamon. And in episode 28, KausGammamon Digivolved to this form when battling Asuramon, but devolves due to energy draining.