Shadow Mega Man

Shadow Mega Man, known as Shadow Rockman (シャドーロックマン) in Japan, is an enemy that appears in Plug Man's stage from Mega Man 9. He runs faster than Mega Man and tries to run him over to cause damage, but jumps lower than he does and can't shoot. He usually appears right behind Mega Man as he passes a certain area in a screen.

Shadow Proto Man
Shadow Proto Man, known as Shadow Blues (シャドーブルース) in Japan, is the enemy that appears in place of Shadow Mega Man in Proto Man Mode. He acts in the same way of Shadow Mega Man.