Kōji Nishino (Japanese: 西野弘二 Nishino Kōji) is a game designer of Pokémon games, currently working at Game Freak. He has been involved in nearly every main series Pokémon game since Pokémon Red and Green Versions. He also appeared in the form of an NPC in Black 2 and White 2. He has also assisted the anime staff for Lucario and the Mystery of Mew.
In Black 2 and White 2, Nishino appears in Castelia City in the Game Freak building. He will battle the player once per day.