Giganotomon is the Armor Digivolved form of Gaomon through the Digi-Egg of Courage. He resembles an Giganotosaurus and is DarkTyrannomon's rival, but even he pales in comparison with Giganotomon's extremely violent nature. He is able to run at hyper speeds with his strong legs.
- Dino Buster: Shoots a stream of solar-hot flame from his mouth.
- Dynamite Attack: Fires a explosive blast of magma from his mouth.