Other antagonists like Wapol received similar treatment. 4Kids and (initially) Toei agreed to change his name rather than risk getting caught in a lawsuit. His name was a homage to Zorro, which at the time One Piece was initially licensed, was the subject of a copyright lawsuit despite that property having fallen into the Public Domain years prior. 'Doctoring' is a term referring to the act of forging government documents.
Explanation A reference to Oda's extensive use of Chekhovs Guns, often bringing back minor characters from years ago in major roles (Brook for example, whose existence was foreshadowed at the start of the crew's entry into the Grand Line).
In One Piece, Luffy is gonna be King of the Pirates, but his quest will encounter various memes.