A huge muscular old bear with glasses, brown furry hairy pectoral

a huge muscular old bear with glasses, brown furry hairy pectoral, huge wide pectoral, short white hair, short black pants and shirtless, topless, bearded with mustache, simple background, (best quality,4k,8k,highres,masterpiece:1.2),ultra-detailed,(realistic,photorealistic,photo-realistic:1.37),solo,1boy

low res, lowres, blurry, bad anatomy, letterbox, deformity, mutilated, malformed, amputee, watermark, signature, unusual anatomy, username, sketch, monochrome