Knuckles the Echidna in a brown jacket and a brown treasure hunter hat

nsfw, worst quality, low quality, simple background, bad anatomy, bad hands, deformed limbs, blurry, cropped, cross-eyed, extra arms, extra digit, extra fingers, extra legs, extra limbs, extra digit, bad proportions, missing fingers, missing legs, poorly drawn hands, signature, text, bad feet, watermark, flat background