Specifically it’s a minor starter villain from the Vanguard Manga. Plus, other designs.
Voice Actor: Ri Katsuan
He’s a member of Foo Fighters. He’s noted as seeking fierce fights with opponents.
In the manga, he terrorized various card shops with an electric shock gameboard to scare players and the owners into shutting down. And used a Megacolony Deck based around the Machining Set. It is unknown, despite being based on the manga, if this will carry over to the TV show.
Further designs of Aichi.
Misaki and Miwa designs.