2nd Lt. Alphon (アルフォン少尉 Arufon shōi ): an intelligence and technology officer in the Dark Star Cluster Empire's invasion of Earth, he gains his own quarters on the conquered planet, and saves the life of a wounded Yuki Mori, with whom he falls in love. When she proves unable to return his affections, he releases her to join a human resistance movement, and vows that if she defeats him next time they meet, he will help her to stop the invasion. In fact he is mortally wounded by another soldier, but he dies in Yuki's arms, confessing to her that life has been empty and meaningless for his people since their conversion to bionics.
- Japanese voice artist: Nachi Nozawa
- This character's originally proposed name was "Keyman."[source?] This may have become the basis of a character name in Space Battleship Yamato 2202: Warriors of Love, Klaus Keyman.