Rule 34 Dev - 2009 abs anthro balls biceps black_and_white deltoids ear_piercing erection exposed genitals grin grisser hair koopa looking_at_viewer male manly mario_(series) mohawk monochrome muscular navel nintendo nipples open_towel pecs penis piercing ponytail scalie shell side_view smile solo towel triceps vein veiny_penis|10092761088