Mega Man
He can be unlocked as a playable character in "Mega Man Powered Up", the PlayStation Portable remake of the first Mega Man game, as well as in "Mega Man 9" as part of that game's extra downloadable content in the original release or in the "Legacy Collection 2" release of "Mega Man 9" by either completing the game or by using the secret code at the "Mega Man 9" title screen. He is also a playable character in "Mega Man 10".