Yobu Yobu no Mi

The Yobu Yobu no Mi (ヨブヨブの実) is a Paramecia-class Devil Fruit that allows the user to summon certain creatures, making the user a Summoning Human (召喚人間 Shōkan Ningen).

Trivia

 * The Yobu Yobu no Mi is functionally similar to the Summoning Technique of Naruto, the Celestial Spirit Magic of Fairy Tail, and the Summon abilty in Final Fantasy.

Etymology
Yobu (呼) is Kanji, meaning "to call."