Rule 34 Dev - 16:9 3d_(artwork) absurd_res anthro balls breasts digital_media_(artwork) erection genitals hair hi_res knuckles_the_echidna loafsfm male male_only muscular muscular_male nipples nude penis sega simple_background solo sonic_(series) sonic_the_hedgehog_(series) source_filmmaker watermark widescreen|6787887080