A huge muscular white polar bear, shirtless and topless, with short white hair

A huge muscular white polar bear, shirtless and topless, with short white hair, a white beard, and a white mustache, wearing black kickboxing shorts and black toeless footwear, with fingerless kickboxing fighting gloves, in a gym fitness center background, looking at the viewer and acting all champion, masterpiece, best quality, 8k, highres, photorealistic, studio lighting, extremely detailed, physically based rendering, vivid colors, correct anatomy

(bad-image-v2-39000, bad_prompt_version2, bad-hands-5, EasyNegative, NG_DeepNegative_V1_4T, bad-artist-anime:0.7),(worst quality, low quality:1.3), (depth of field, blurry:1.2), (greyscale, monochrome:1.1), nose, cropped, lowres, text, jpeg artifacts, signature, watermark, username, blurry, artist name, trademark, watermark, title, (tan, muscular, loli, petite, child, infant, toddlers, chibi, sd character:1.1), multiple view, Reference sheet, long neck