One Piece Vol 3: Don't Get Fooled AgainEiichiro OdaOne Piece, book 3

Characters in One Piece Vol 3: Don't Get Fooled Again

6 characters, main characters first.

Main characters

Monkey D. Luffy
Also in One Piece, Vol. 1: Romance Dawn, One Piece Vol 2: Buggy The Clown, One Piece, Vol. 61, One Piece, Vol. 100: Color of the Supreme King, One Piece, Vol. 101: The Stars Take the Stage, One Piece, Vol. 105: Luffy's Dream, One Piece, Vol. 106: A Genius's Dream, One Piece, Vol. 107: Egghead Part 2, One Piece, Vol. 108: Better Off Dead In This World, One Piece, Vol. 109
Nami
Also in One Piece Vol 2: Buggy The Clown, One Piece, Vol. 61, One Piece, Vol. 105: Luffy's Dream

Antagonists

Arlong