Also known as: ギルモン
A Reptile Digimon. Guilmon is a dragon-like creature, predominantly red with a white belly, and the Digital Hazard symbol (an inverted triangle inside a circle with three other upright triangles connected to each end) is present in its chest. One Guilmon became famous as Matsuda Takato's partner in Digimon Tamers.
It primarily evolve into Growmon. And can evolve further using the X-Antibody.