Gastly, the Gas Pokémon. Although it can sneak in anywhere with its gaseous body, it can also be blown away by wind.
Cool facts about Gastly:
- Gastly has no true form, due to 95% of its body being poisonous gas.
- The toxic gas surrounding the main body can induce fainting and suffocation, and it is capable of enshrouding an enemy of any size.
- It is capable of phasing through solid objects and forming tangible hands out of its gasses.