Dr. Light is the creator of Mega Man and Roll, as well as the creator of the first Robot Masters. He was the creator of Auto and Rush as well.
History
Dr. Light had created Rock and Roll to be peaceful household robots- Roll being his assistant and Roll being a cleaner. He created 8 more robots to help out in the world, but Wily had other ideas for them.
Trivia[]
Dr.Wily calls him Light as a way to brag.