defeat and watched Yuma and Astral's duel. He then still continues his career as a professional duelist at the end of the series. Born Michael Arclight, Trey is the youngest child of Vetrix, and the peacekeeper of his family, whom he cares for deeply. Incredibly caring, gentle, and self-sacrificial, he is willing to go against his own personality in an attempt to repair his long-broken apart family. Later on, he develops an interest in Yuma Tsukumo after his tag duel with him and Kite. He uses a "Chronomaly" Deck that his father gave him, which is based on various out-of-place artifacts, which he has a great interest in, notably for the Aztec, Mayan, and Inca. Born Christopher Arclight, he is the oldest son of Vetrix. Quinton is portrayed as a calm and collected character who is very loyal to his father and lashes out at anyone who disrespects him. He uses a "Space" Deck and his ace monster is "Number 9: Dyson Sphere". Approximately five years before the start of the series, Quinton was Kite's dueling mentor and teacher. Barian World Don Thousand is the ancient deity of Barian World and the true main antagonist of the series. He battled Astral thousands of years ago but was defeated and sealed in the Great Barian Sea within the volcanic core. Eventually, Vector journeyed to the sea and released him. He merged with Vector and told him to journey to Earth to retrieve the seven-sealed "Mythyrian Numbers", which would fully revive him. Seven Barian Emperors Reginald Kastle / / Yuma's rival and a good friend and one of the main characters who was originally a championship duelist before he was disqualified for peeking at his opponent's cards, eventually becoming a delinquent and taking the nickname "Shark". Now close friends with Yuma, Shark fights the Barian threat alongside him and Kite. During his duel against Yuma, he is briefly possessed by the Number card, "Number 17: Leviathan Dragon", but Astral takes it from him after Yuma defeats him. Like his namesake, he uses a deck filled with fish-type monsters, many being based on water and darkness, his key card being "Black Ray Lancer". This Xyz monster is normally unable to destroy Numbers, but Shark seems to have put some workarounds into his deck, such as the Spell card "Armor Xyz", which equips an Xyz monster with a second one, giving the first its