Murmukusmon

Murmukusmon is the main villain in the the Digimon movie, Digimon Frontier: Island of the Lost Digimon. He resembles a half-bird, half-demon monster. He can disguise himself as D'arcmon and HippoGryphomon

Murmukusmon was responsible for the war between beasts and warriors. In the end, he was killed by Agunimon.