masterpiece, best quality, very awa, absurdres, masterpiece, absurdres, highres, absurdres,highres, shadow the hedgehog, 1boy, solo, male focus, upper body, evil smirk, sonic (series), black fur, two tone fur, third demon eye, third eye

worst quality, low quality, watermark, signature, bad anatomy, bad hands, deformed limbs, blurry, cropped, cross-eyed, extra arms, extra legs, extra limbs, extra pupils, bad proportions, poorly drawn hands, simple background, bad background, bad lighting, bad perspective, futanari, watermark, signature, english text, text, deformed eyes, bad eyes, bad texture, intersex, futa, futa pov, futanari pov, intersex pov, blurry, blurry eyes, weird eyes, malformed eues, bad eyes, poorly drawn, poorly drawn eyes