rule 34 2014 abs anthro anus ass athletic backsack balls biceps big penis blue countershading blue eyes blue scales blue skin claws countershading digital media artwork dragon erection fangs gloves marking green scales green skin grin hair hand on butt hi res holding butt horn humanoid penis inviting jardenon legs up looking at viewer male male only markings membranous wings multicolored scales muscular muscular male nipples nude pecs penis pose reclining reptile scales scalie sharp teeth smile socks marking solo soul character spread legs spreading teeth toe claws two tone scales white hair wings 2673979