Art style: Comic Book.
A bright yellow rectangular sea sponge with large, expressive blue eyes and a wide, gap-toothed smile. He has several olive-green dimples on his body. He wears a crisp white short-sleeved collared shirt with a small red necktie and brown rectangular trousers held up by a black belt. His posture is energetic and upright, standing on a sandy seafloor under the ocean. The lighting is bright and tropical, reflecting through the turquoise water. He has a joyful and innocent energy.
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FINAL STYLE ENFORCEMENT (this is the authoritative rendering directive — it overrides any style wording elsewhere in the prompt):
Render this image entirely in "Comic Book" style. Match the lighting grammar, material response, colour science, level of realism / stylisation, line weight, and shading model typical of "Comic Book". Keep the subject, composition, camera angle, lighting direction, and colour palette from the description above — but EVERY surface, skin, fabric, material, and environmental element must be rendered in the "Comic Book" idiom, not in any other medium.
