Rule 34 Dev - age_difference anthro balls big_balls canid canine eli_cruz erection foreskin fur genitals grey_hair hair hand_on_chest hand_on_hip hi_res humanoid_genitalia humanoid_penis looking_at_viewer male male_only mammal maned_wolf muscular muscular_anthro muscular_male nude older_male penis phinnherz simple_background solo standing|8245903672