Kōji (こうじ Kōji) is a student of Nekketsu High School. His first appearance is in the Famicom version of Nekketsu Kōkō Dodgeball Bu. He also appears in Shodai Nekketsu Kōha Kunio-kun, where he can save the player's game.
- In Super Dodge Ball he is renamed Mike Knopfler and is he is now a member of Team USA.
- In River City: Tokyo Rumble, he is named Curly.
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