ロックマン

Mega Man, alternatively written as Megaman and MegaMan, known as Rockman (ロックマン Rokkuman?) in Japan, is a video game franchise from 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. As of December 31, 2010, the series has sold approximately twenty-nine million copies worldwide, making it Capcom's most prolific franchise.

Megaman[megaman.capcom.com]
Megaman Wiki[en.wikipedia.org]