Yoku Man is a master of controlling many illusions such as the infamous Appearing Blocks that have plagued Mega Man during his many battles with Dr Wily. Like his namesake platforms, he can also disappear and reappear at will. He was designed to oversee mass production and maintain the efficiency of the blocks.These temporary platforms were manufactured so hard to reach locations could be accessed with ease for the industrial robots, with virtually no added cost. He would also project holographic schematics to make the job for the industrial robots more efficient. Like his block, he has the ability to disappear and reappear at will. He was known for his love of puzzles and games and was famous for beating the greatest human minds at chess, with a goal of becoming a chess-master.It was believed that he was either lost or destroyed in the industrial robot rebellion of 200X, leaving his Yoku Blocks to continue functioning on automatic.