Rule 34 Dev - 2017 abs anthro areola balls biceps canine claws clothing erection fangs fur grey_fur hi_res humanoid_penis jacket male male_only mammal manly muscular muscular_male nipples nude pecs penis pose sek_studios seungnyangi seyrmo simple_background solo squirrel_and_hedgehog standing thick_thighs triceps whiskers white_background wolf|3196929944