One Piece characters smile in battle because they enjoy fighting. Fighting may be the ultimate form of freedom for these ...

Smiles are one of the most important symbols of One Piece, representing everything that's great about the series.

͏ For volume 42, Oda combined the adventurous feel of both series, showing Goku in space with a UFO and a big smile similar to Monkey D. Luffy’s. Oda’s tribute is a fitting conclusion ...