Rule 34 Dev - anthro bone bulge clothed clothing hat headgear headwear jolly_roger male muscular muscular_anthro muscular_male pecs shirt skull skull_symbol solo speedo swimwear tank_top topwear wrestler makowolf1 echo_(game) echo_(series) echo_project sydney_bronson mammal mustelid otter 2022 hi_res monochrome sketch|16959590795