Photorealistic CGI Big Head Caricature

Create a photorealistic CGI cartoon character based on the uploaded image, using that image as the sole and complete visual source for clothing, accessories, poses, colors, and overall appearance. Then convert it into a {argument name="body proportions" default="Slightly larger head, compact body, and miniature proportions"} When creating realistic cartoon characters, preserve the character's accurate identity, facial features, age, skin tone, hair, beard, and resemblance. The final result must look like a real person recreated by high-end photorealistic CGI, not a toy, Pixar-style, vinyl material, or cartoon character. Use realistic skin rendering with natural pores and wrinkles, lifelike hair and beard details, and vivid materials and shadows. Lighting should be {argument name="lighting" default="Clean sunlight or studio sunlight"} and in{argument name="background" default="Clean gray-white background"} The image should display clear, realistic shadows. No reinterpretation or redesign is permitted; no additional shapes may be added beyond what is already present in the uploaded image. Ultra-high definition, ultra-realistic CGI quality, robust and believable, with no text, logos, or watermarks. Aspect ratio 4:5.