masterpiece, best quality, solo, 1boy, furry male, shadow the hedgehog, sonic (series), @sbtl, two-tone fur, black fur, red fur, spiked hair, two-tone hair, red hair, black hair, hedgehog ears, red eyes, animal nose, snout, sideways mouth, chest tuft, hedgehog tail, white gloves, shoes, closed mouth, frown, clenched hands, standing, tiptoes, full body, male focus, looking back

worst quality, low quality, score_1, score_2, score_3, artist name, jpeg artifacts