Rule 34 Dev - abs anthro balls biceps deltoids ear_piercing erection exposed genitals grin hair looking_at_viewer male manly mohawk muscular muscular_male navel nipples open_towel pecs penis piercing ponytail shell side_view smile solo towel triceps vein veiny_penis grisser mario_bros nintendo koopa scalie 2009 3:4 black_and_white monochrome|19757513825