Who worked on designing XXX?
Mega Man 4
Mega Man 4, known in Japan as Rockman 4 Aratanaru Yabō!! (ロックマン4 新たなる野望!! Rokkuman Fō Aratanaru Yabō!!, lit. ``Rockman 4: A New Ambition!!''), is a platform game developed by Capcom for the Nintendo Entertainment System.