Megaman (Rockman in japan) was created by Dr.Light in the year 20XX. First he was helping robot then because
of a evil sciencetist Dr. Wily he was turned into a fighting robot to fight Dr. Wilys Robot Masters.
You can play as Dr. Light and Roll (Megamans sister that is also a robot). and other Megamans.
Bass is a playable character in Super Mario Crossover.