A cartoon bear is standing in a boxing ring with a punching bag

Solo, 1boy, huge muscular kodiak brown bear in big gym fitness center, big smirking, kodiak bear, huge brown fur, thick arms, huge arms, big fists, veins all over arms and chests, bald, big brown mustache and beard, (muscular, pectoral, wide pectoral, thick arms), HEIGHT: 220CM, WEIGHT: 370KG, gym sets, workout equipments, ring, punching bag, 8k, masterpiece, added cinnamon colored eyebrows, deatiled eyes with red pupils, (wearing black mixed martial arts shorts with red slits, black mixed martial art fingerless gloves with red pads, black toeless footwear tapes, shirtless and topless), punching and kicking techniques,

worst quality, low quality, bad anatomy, bad hands, bad body, missing fingers, extra digit, fewer digits