FURVERT!

abs alpha_channel anthro anus athletic athletic_anthro athletic_male balls bottomwear bottomwear_around_one_leg bottomwear_down cel_shading circumcised clothed clothing clothing_around_one_leg clothing_lift echidna erection footwear front_view genitals glacierk hands_behind_head hi_res humanoid_genitalia humanoid_penis inviting knuckles_the_echidna male mammal monotreme mostly_nude naughty_face pants pants_around_one_leg pecs penis perineum pinup pose presenting reclining sega shaded shirt shirt_in_mouth shirt_lift shoes shorts simple_background sneakers solo sonic_the_hedgehog_(series)spread_legs spreading topwear transparent_background vein veiny_penis