Rule 34 Dev - 1girl blue_eyes blue_helmet crab full_body helmet holding holding_polearm holding_weapon looking_at_viewer marine_day mega_man_(classic) mega_man_(series) mega_man_9 mermaid monster_girl nakayama_tooru non-humanoid_robot polearm robot robot_animal robot_fish robot_girl smile splash_woman trident weapon|23027574609