anus artist_name balls black_anus black_body black_claws black_knot black_penis chivaran claws dragon european_mythology facial_horn feral genitals grey_body grey_horn grey_nose_horn grey_scales hi_res horn knot male membrane_(anatomy) membranous_wings mythological_creature mythological_scalie mythology nose_horn penis perineum quadruped red_balls red_body red_perineum red_scales scales scalie shower solo tail tail_anus vurkan_(indoorllama893) watermark western_dragon wings yellow_eyes