Gasu Gasu no Mi

The Gasu Gasu no Mi is a Logia-type Devil Fruit that allows the user to become an element of "gas" making the user a gas Human (ガス人間). "Gasu" (ガス) means "gas". IIt was consumed by Caesar Crown.

Trivia

 * This fruit's power that revolves around the power of gas and poisonous substances, makes it very similar to the Moku Moku no mi and Doku Doku no Mi