Rule 34 Dev - 1boy 5_fingers abs anthro areola areolae balls_bulge bara barazoku belly_button biceps black_briefs black_underwear bowser bracelet bracelets briefs bulge clayten dark-skinned_male dark_skin earrings hair horns human humanized looking_at_viewer male male_focus male_only manly mario_(series) muscle muscles muscular muscular_male nintendo nipples pecs pectorals penis_bulge piercing pointy_ears pubes pubic_hair red_eyes red_hair red_pubic_hair sharp_teeth shell short_hair simple_background six_pack smile smiling solo solo_focus solo_male spiked_bracelet spiked_collar spikes spiky_ears spiky_hair spiky_shell standing tagme tank_top teeth underwear vein veiny video_games yellow_background|5440672392