Duo (デューオ, Dyūo) is a fictional character in the Mega Man Battle Network series of video games and the MegaMan NT Warrior (Rockman EXE) anime. His design is based on Duo of the original Mega Man series. In the anime, he is voiced by Kenji Nomura in the original version of the series.
Introduced in Mega Man Battle Network 4, Duo is the operation system for an asteroid-based rocket poised to destroy Earth. The villainous Dr. Regal attempts to control Duo, and the program itself acts as judge of the human race, deeming it evil and unworthy of survival. For this reason, Duo intends to destroy the planet, effectively eradicating the species so that there is not a single trace of evil energy left. Although his story essentially ends at the game’s conclusion, he makes anonymous appearances in subsequent installments, usually providing players with exclusive Giga chips.
In the anime, Duo is a god-like entity, created by an alien race, that seeks to cleanse the world of all evil. The…