These sources explore the impact of Proto Man's presence and character traits on the Mega Man universe. They examine how his relationship with Mega Man, his rebellious nature, and his interactions with Dr. Light shape the narrative, character development, and overall themes of the series. The sources consider what would happen if Proto Man never met Mega Man, if Dr. Light repaired a malfunctioning core in Proto Man, and if Proto Man had never been rebellious, analyzing how these changes would affect the plot, character dynamics, and the thematic elements of the Mega Man universe.