Rule 34 Dev - 1boy anthro barefoot eyewear featureless_crotch flexing full_body high-angle_view hisashino koopa koopaling looking_at_viewer male male_only mario_(series) musclegut nintendo nude open_mouth pinup pose roy_koopa scalie shell simple_background solo standing sunglasses text tongue tongue_out vein veins video_games white_background|2441268120