Among One Piece's countless theories, there's one of them that many fans believes to be true even though there's no evidence to back it up.

There is a possibility that Eiichiro Oda might soon introduce Luffy's mother in One Piece which would also form a parallel ...

The backstory of the Kuja Pirates threatens the existence of the most bizarre One Piece theory, all because of one character.

The Empresses of Amazon Lily are powerful and influential figures across all the known generations. They are pirates to be feared.

One Piece fans are abuzz with theories about Tritoma's true identity and her connection to the Straw Hat Pirates' captain.