Murmukusmon is a fictional character and [[Digimon ()|Digimon]] who is the primary antagonist of the anime movie Digimon Frontier: Island of Lost Digimon. Murmukusmon is an evil, banished Digimon who seeks dominion over the [[Digital World ()|Digital World]]. The name "Murmukusmon" refers only to the Mega form of this Digimon. Throughout the movie, Murmukusmon displays the ability to evolve into a number of different forms, each with different names and characteristics. Murmukusmon, however, remains his true form.