Character design of an anthropomorphic bluefin tuna in the style of a nice and smily videogame hero, posed like a boxer during a boxe match. Muscular and powerful body, sleek dark blue scales with metallic highlights. Wears red boxing gloves and boxing shorts. Upright posture but with aquatic elements; pectoral fins transformed into muscular arms. Determined and combative expression, intense eyes. Japanese anime/cartoon style, dramatic lighting, blurred background with marine elements.