WereGarurumon

WereGarurumon is a fictional character in the Digimon anime.

He is a beastoid digimon, the ultimate form of Gabumon. He is modeled after data on werewolves. He has a 'evil' form called ShadowWereGarurumon.

Digimon Adventure
Gabumon reached this form successfully when Matt and Joe were forced to work at a Digimon retaurant, due to the scheming of DemiDevimon. But when Matt deided to leave, the owner of the restaurant, Digitamamon, violently attacked the DigiDestined. Garurumon Digivolved to WereGarurumon, KO-ing Digitamamon. WereGarurumon became a needed form in the fights against Myotismon and his minions.

Digimon Adventure 02
When Matt used the crest power to free the Sovereigns, Gabumon lost the power to become WereGarurumon. That was, until three years later, on Christmas Day, when Gabumon and the other old generation Digimon had that power restored to them by one of the DigiCores of Azulongmon. WereGarurumon, with Stingmon and their human partners, went to Mexico to help the Latin American DigiDestined with their Digimon there.

But during the fight against SkullSatamon of the Daemon Corps, WereGarurumon and the other Ultimates were defeated and regressed due to the strain of their stay in the Real World for so long. Gabumon sacrificed his power again to energize Imperialdramon, allowing him to Mode Change to his Fighter Mode.