Yellow Devil

Yellow Devil (イエローデビル Iero-debiru), also know as Rock Monster, is one of Dr. Wily's creations, that originally was a fortress boss in Mega Man 1 as a big yellow blob, that can dismantle himself and cross through the screen to attack enemies. His weak point is his eye. He can also shoot beams from his eye in the Mega Man: The Power Battle games.

He reappeared in several other games in different forms. They are: Mega Man 8 and Mega Man and Bass, as Green Devil, Mega Man V as Dark Moon. He also appeared in the X series in Mega Man X5 as Shadow Devil. It included the Fortress Boss Music and all!

The "Devil" type robots

 * Yellow Devil
 * Dark Moon
 * Green Devil
 * La Devil
 * Shadow Devil
 * Rainbow Devil