Who or what is Tomoaki Imakuni?

”Imakuni?” is a name of a costumed character played by Tomoaki Imakuni and created for promotion and marketing of the Pokémon franchise, encompassing several of their products and services.

Tomoaki Imakuni has also illustrated several cards, including a version of Garbotoxin Garboder (https://www.pokemon.com/us/pokemon-tcg/pokemon-cards/1?cardName=&cardText=&evolvesFrom=&format=unlimited&hitPointsMin=0&hitPointsMax=340&retreatCostMin=0&retreatCostMax=5&totalAttackCostMin=0&totalAttackCostMax=5&particularArtist=Tomoaki+Imakuni&advancedSubmit=)

Imakuni?’s Doduo is a real card from XY Evolutions. It’s a secret rare. It is not, however, allowed at official tournaments.