Twitter 上的Dr. Lava's Lost Pokemon:"Imakuni Origins: In the Pokemon TCG game on Game Boy Color, there's an NPC named Imakuni who's got a card bearing his image. Imakuni is based on
Imakuni? (CoroCoro promo) - Bulbapedia, the community-driven Pokémon encyclopedia
Imakuni?'s PC (Vending S3) - Bulbapedia, the community-driven Pokémon encyclopedia