hacking and is able to create viruses, though his true intentions are to spread joy to others. He uses a "Crashbug" deck. After creating the virus, he manages to pretend to be good and tell Yuma and his friends what happened during the incident. He then duels Yuma after revealing he was the mastermind of the virus plot. After being defeated, the virus shuts down and instead reveals a light Crashbug monster in a stadium. He sometimes appears in gym class, acting as a coach for students jumping boxes. and A pair of brothers who head up an underground group of delinquents that Reginald used to hang around with after Shark's first defeat against Yuma and becoming Nash, the leader of the Seven Barian Emperors. They become possessed by the "Number" cards "Number 61: Volcasaurus" and "Number 19: Freezadon" respectively and attempt to steal a priceless deck, but are thwarted by Yuma and Shark in a tag duel and begin flee after they're defeat. They use cheating techniques in order to know how to play off each other's cards. A former student of Roku's Duel Sanctuary, who was possessed by "Number 12: Crimson Shadow Armor Ninja". A "Numbers" Hunter who wished to be Kite's servant by worshiping him by bowing down to Kite's own statue in a similar way to what a religious person would do, he uses traps and illusions to outwit his opponents. He had "Number 11: Big Eye", "Number 16: Shock Master" and another unspecified "Number" in his possession. The former two were taken by Yuma, while the latter was taken by Kite, along with Fortuno's soul. He slightly resembles the Joker from the DC Comic series Batman. An evil conscience residing in the "Number 96: Dark Mist" card whose appearance is initially a corrupted version of Astral's. He claims to be the strongest "Number" monster of all, and has lately become a more prominent antagonist, having acquired the Mythyrian Number "Number 65: Djinn Buster", as well as used "Rank-Up-Magic Barian's Force" to evolve both of his Numbers into Chaos Numbers, "Chaos Number 65: King Overfiend" and "Chaos Number 96: Dark Storm", which had the effect of changing his own physical form. Other characters Mrs. Meadows is Tori's mother. Brianna is Bronk's older sister and a good friend of Kari's. Tetsumi is Bronk and Brianna's mother. Mrs. Francis is Caswell's mother. Manga characters Kyoji Yagumo is a