Rule 34 Dev - anthro black_body black_fur brown_eyes butt closed_smile fur fur_tuft grey_body grey_fur knee_bent looking_at_viewer looking_back looking_back_at_viewer lying male mouth_closed multicolored_body multicolored_fur muscular muscular_anthro muscular_male nude_anthro nude_male on_front rear_view smile snaggle_tooth solo tuft two_tone_body two_tone_fur fabfelipe ape gorilla haplorhine mammal primate 2012|23816514470