Name: Reginald Kastle Alias: Shark Nationality: Earth Age: 14 Gender: Male Occupation: Card Duelist Attire: His attire includes a dark purple jacket with green gems on the gray sleeve cuffs over a maroon shirt, dark blue pants, and white shoes adorned with the same green gems. When in his school attire, he wears a white shirt with green-lined sleeves, tie and a collar. During his National Duel Circuit days, Reginald wore a white top with a purple waist coat and his usual dark pants. Personality: Despite Shark's aloof and cold nature, many students at school respect his Dueling skills and he's secretly popular with female students. Even after Shark finally felt better with Yuma. he became friendly now since the Barians are no more.