3D rig of a brown bear wearing wrestling attire. The character should have a powerful, muscular build typical of a brown bear, with detailed fur. Ensure the rig includes fully articulated limbs, a flexible spine, and detailed facial expressions that convey a sense of strength and determination. The bear should be dressed in colorful wrestling clothes, including a mask, singlet, and boots. Highlight the textures that showcase the bear's fur and the fabric of the wrestling gear.