Rule 34 Dev - abs anthro barazoku biceps big_muscles black_background border eyebrows gradient_background hair horn huge_muscles looking_at_viewer male muscular muscular_anthro muscular_male navel nipple_piercing nipple_ring nipples nude obliques open_mouth open_smile pecs piercing red_background ring_piercing simple_background smile solo standing text vein veiny_muscles white_border nanbuskhan bowser_day mario_bros nintendo bowser koopa scalie 2021 dated english_text hi_res signature|12729346525