Duncan Volcaster

Zeon Adams (Zヨン アダムス, Zyon Adamusu) is a wandering pirate who seeks mischeif and adventure. He is most famous for the stealing of and consumption of the Kotto Kotto no Mi, a Paramecia Devil Fruit that allows him to generate strange objects from his body. Zeon gained is also known by his epithet, "The Manic Jokster". Zeon's most common activity is traveling to various towns and cities, seeking a good time.

Devil Fruit
For more information, see: Kotto Kotto no Mi 

Trivia

 * Zeon's appearance is based off Duncan Vellton, a Fairy Tail OC.