Rule 34 Dev - 16:9 3d 3d_(artwork) absurd_res anthro breasts canid canine clothing digital_media_(artwork) duo echidna english_text footwear fox genitals hi_res knuckles_the_echidna loafsfm male male/male mammal monotreme penis relationship sega socks solo sonic_(series) sonic_the_hedgehog_(series) sunset tails text watermark widescreen|8088899280