CWU-01P

CWU-01P is a aquatic robot from the first Mega Man game. A smaller version of him appeared later in Mega Man 2, and a mini version of him appeared in Mega Man 7. It's original function was to purify water.

CWU-01P
CWU-01P is the name of seven aquatic robots that rolls through the room inside of a bubble and shots three bubbles at the enemy. The seven are the same, except that they have different speed and a different color in the circle on them. The appear one by time, and when one CWU-01P is defeated, the next will be faster. Each CWU-01P defeated removes 4 HP from they total HP.

M-445
M-445 is a smaller and slower version of CWU-01P with spikes. It appears in Bubble Man's stage.

SRU-21B
SRU-21B is a small, exploding version of M-445. It appears in Centaur Man's stage. They drop from above, land on the water's surface and then explode.