Rock Thrown

Rock Thrown (ロックスローン) is an enemy robot from Mega Man 5 that was originally created for tunnel construction. He throws small boulders from his head at enemies. He only appears in Stone Man's Stage in Mega Man 5, Mega Man IV and Mega Man for the Game Gear.

Hits Data Chart
Amount of shots/hits from Special Weapons it takes to destroy a Rock Thrown.

Bomb Thrown
Bomb Thrown (ボンバースローン) is an improved version of Rock Thrown that throws explosives in an arc at Mega Man, though his arc depends on how close or how far Mega Man is from him. He appears in Napalm Man's (in both Mega Man 5 and Mega Man for the Game Gear) and Charge Man's Stages.

They appear in those Stages and the 2nd Wily Skull Cruiser Stage in Mega Man IV.

Hits Data Chart
Amount of shots/hits from Special Weapons it takes to destroy a Bomb Thrown.

Other media
Rock Thrown appeared in the first episode of Mega Man: Upon a Star, being one of the robots that attack the amusement park in Japan and combines into Samurai Man.