Characters in One Piece Vol. 6: The Oath

Supporting characters

• Monkey D. Luffy

  Also in One Piece, Vol. 1: Romance Dawn, One Piece Vol 2: Buggy The Clown, One Piece Vol 3: Don't Get Fooled Again, One Piece Vol. 4: The Black Cat Pirates, One Piece Vol. 5: For Whom the Bell Tolls, One Piece, Vol. 8: I Won't Die, One Piece, Vol. 51, One Piece, Vol. 52, One Piece, Vol. 61, One Piece, Vol. 100: Color of the Supreme King

• Roronoa Zoro

  Also in One Piece, Vol. 1: Romance Dawn, One Piece Vol 2: Buggy The Clown, One Piece Vol 3: Don't Get Fooled Again, One Piece Vol. 4: The Black Cat Pirates, One Piece Vol. 5: For Whom the Bell Tolls, One Piece, Vol. 8: I Won't Die, One Piece, Vol. 51, One Piece, Vol. 52, One Piece, Vol. 61, One Piece, Vol. 101: The Stars Take the Stage

• Nami

  Also in One Piece, Vol. 1: Romance Dawn, One Piece Vol 2: Buggy The Clown, One Piece Vol 3: Don't Get Fooled Again, One Piece Vol. 4: The Black Cat Pirates, One Piece Vol. 5: For Whom the Bell Tolls, One Piece, Vol. 8: I Won't Die, One Piece, Vol. 51, One Piece, Vol. 61, One Piece, Vol. 105: Luffy's Dream

• Usopp

  Also in One Piece Vol 3: Don't Get Fooled Again, One Piece Vol. 4: The Black Cat Pirates, One Piece Vol. 5: For Whom the Bell Tolls, One Piece, Vol. 8: I Won't Die, One Piece, Vol. 51, One Piece, Vol. 105: Luffy's Dream

• Sanji

  Also in One Piece Vol. 5: For Whom the Bell Tolls, One Piece, Vol. 8: I Won't Die, One Piece, Vol. 51, One Piece, Vol. 61, One Piece, Vol. 101: The Stars Take the Stage, One Piece, Vol. 105: Luffy's Dream