|“||Better rust out than wear out.||„|
Neptune is one of the first four Stardroids Mega Man must fight in Mega Man V for the Game Boy. He is an aquatic Robot Master with a half-human, half-fish appearance and is a member of the Stardroids.
In the Comics Series
In the non-canon series, he and the other Stardroids are robots from outer space that plan to destroy the Earth. During they're attack, they murder over several robots, he killed Knight Man, but later met his fate at the hands of Shadow Man, who sent him burning up in Earth's atmosphere.
- He passionately hates fishing, which would be understandable, given he is based off a fish.
- In Rockman Gigamix, he, along with the other Stardroids, are shown to be like Future Android 17 and Future Android 18, completely sadistic monsters whose only purpose is to bring death.