2013 ambiguous_gender belly black_fur border butt digital_media_(artwork) dragon english_text equine fan_character fangs featureless_crotch feral fur hair hi_res horse hybrid inviting kloudmutt long_hair looking_at_viewer mammal membranous_wings my_little_pony open_mouth pony presenting presenting_hindquarters razgriz_darkheart red_background red_eyes red_hair red_sclera scalie signature simple_background sitting slit_pupils smile solo spread_legs spreading text tongue wings