|It is an underground prision located in the governmental island, Enies Lobby. Here it is where the most dangerous criminals of the world are sent.
|A type of whale from the "West Blue". They can reach the size of an island, hence their name. They usually travel in whale groups or gam.
|When Wapol exiled all the doctors from Drum, he choose a group of selected doctors for his personal use, that group is called the "Isshi-20". All citizen who needed be taken care of doctor must go to Wapol and suplicate that they cure him.
|"First class private recruit" - A person recruited by marines to exert as soldier.
|Ittouryuu is a sword discipline that consists in using only one sword.