2boys, animal_ears, animal_nose, artist_name, battle, black_fur, blood, clenched_hand, clenched_teeth, dark_persona, dark_sonic, dated, eye_contact, fighting, furry, furry_male, gareki_sh, gloves, glowing, hand_on_another's_arm, hedgehog, hedgehog_ears, hedgehog_tail, looking_at_another, male_focus, multiple_boys, open_mouth, raised_fist, red_eyes, red_footwear, scratches, shadow_the_hedgehog, shoes, signature, skates, smile, sneakers, snout, socks, soles, sonic_(series), sonic_the_hedgehog, sonic_x, space, star_(sky), strangling, super_shadow, tail, teeth, white_footwear, white_gloves, white_socks, yellow_fur