Kouichi Fast Facts
Digimon: Duskmon / Velgemon (corrupted Spirits); Lowemon / JagerLowemon (purified Spirits)
Digimon Spirit: AncientSphinxmon
Japanese VA: Suzumura Kenichi
English VA: Crispin Freeman
*KAWAII!* Ahem. All I can say is, Kouichi's got to be the cutest thing that ever happened to Digimon! To Anime! He's even cuter than Ken! I think I'm going to make a shrine to him!!! OK... o_o
Kouichi is Kouji's identical older twin brother. Kouji doesn't even know of the existence of his brother, but Kouichi's grandmother told him about Kouji before she died. Kouichi and Kouji's parents divorced when they were very young, too young to remember each other. Kouji lives with his father and Kouichi with his mother. Kouichi's Spirit of Darkness contrasts with his brother's Spirit of Light.
Kouichi missed going to the Digital World with the other kids. He was trying to track down his brother and see how he was, but he was too shy to talk to him. He followed his brother to the train station where all the other Frontier Kids went to the Digital World, but he tripped on the stairs and missed the train.
When he eventually got to the Digital World, he received his Human and Beast Spirits of Darkness, but Cherubimon had corrupted them and when Kouichi used them to Spirit Evolve, he became evil. Cherubimon wiped his memories when he was Duskmon, so he didn't remember that Kouji was his brother and tried to kill him. He almost killed Kouji in episode 21, and Agunimon said Kouji's name. Duskmon recognized the name but didn't remember who Kouji was. After a few episodes, Duskmon remembers and tells Kouji who he is. Kouji defeats Duskmon and takes his Spirits.
Kouichi joins the Digidestined team and gets his own D-Tector Digivice. Kouji gives him his Spirits back, and they have been purified by Kouji's D-Tector.
Kouichi is the world's cutest character, and he is getting GLOMPED.... XD Oh, and Kouichi is probably "Koichi" in the dub, which I refuse to accept :P.