A Turtle、Has a huge cannon on its back、Like a tank

(long neck:1.2), fat, turret, multiple carapace, extra claws, deformed paw, asymmetrical eyes, extra limbs, asymmetrical hands, mouth open, deformed face, long torso, deformed torso, bad quality, bad anatomy, worst quality, low quality, low resolution, extra fingers, blur, blurry, ugly, wrong proportions, watermark, image artifacts, lowres, ugly, jpeg artifacts, deformed, noisy image