Unknown Criminal

He is an unnamed Criminal that appeared in the Future Card Buddfight anime.

He was first seen escaping into a tower, only to be tracked and challenged by Tasuku Ryuenji. After a few turns he was defeated by Tasuku's Gargantua Punisher!! and subsequently was arrested and his Core Deck Case was destroyed.

Deck
He uses a Generic deck using Ambush Unit, Guardian Rook as his Buddy. According to the Buddy Police records his deck is focused on defensive combos.