Shield Attacker

Shield Attacker is a flying enemy that is indestructible in front. It can only be damaged attacking his back. In Mega Man 7 they flip their shield face rather than turning around. In Mega Man 8, they are modeled after the Oni Mask boss from Mega Man 7, Hannayaned.

Similar enemies
Enemies similar to Shield Attackers.
 * Barrier Attacker