Mole

Mole (モール) are digging enemies that comes in great quantity from the floors and ceilings. They appear in Metal Man's stage and in the final stages from Mega Man 2, Metal Man's stage in Mega Man II, the final stages of Mega Man: Dr. Wily's Revenge and the Wily Tower in Mega Man: The Wily Wars, and the first stage of Mega Man & Bass.