Chief Petty Officer

In One Piece "Chief Petty Officer" (軍曹) is a lower marine rank below Master Chief Petty Officer and above Petty Officer. Sometimes it is also translated as Petty Officer Second Class.

List of known Chief Petty Officers

 * Helmeppo
 * Masshikaku
 * Shine
 * Gu

Former:
 * Minchi