Mega Man, alternatively written as Megaman and MegaMan, known as Rockman(ロックマン,Rokkuman) in Japan, is a video game franchise created by Capcom, starring the robot character Mega Man, or one of his many counterparts. Mega Man, released for the Nintendo Entertainment System in 1987, began a series of over 50 games on multiple systems. By March 2015, the series had sold approximately thirty million copies worldwide, and is often cited as one of the most renowned video game franchises of all time.