Maildramon

Maildramon is the Armor Digivolved form of Gatomon through the Digi-Egg of Miracles.

Digimon Tamers
A Maildramon was chasing Calumon before being tackled by Dark Tyranomon. During the battle, a blast sent Calumon into the Real World as he witnesses Dark Tyranomon emerge as MetalTyrannomon who destroys Maildramon.