Rule 34 Dev - anthro cybernetics electronics gaming headgear headphones headset machine male solo synthetic sunshiu berserk_(series) metroid metroid_prime nintendo one_piece undertale_(series) merry_the_rob'ott monkey_d._luffy puck_(berserk) ridley mammal mustelid otter robot space_dragon_(metroid) hi_res nonbinary_(lore)|16710039605