Rule 34 Dev - anthro armpit_hair beard belly big_belly big_biceps body_hair bottomwear clothed clothing facial_hair flexing flexing_bicep grey_body grey_hair hair male musclegut muscular navel nipples outie_navel pattern_clothing shorts simple_background solo tusks splashburr greg_(deadanthro) ape gorilla haplorhine mammal primate 2020 hi_res signature|22888274010