One of Oda's biggest inspirations for One Piece from 1991 ? : r/OnePiece

If you ever would create a shonen anime, what would be the concept (e.g., pirate, ninja)? Where would the power come from (like nen, devil fruit, chakra)? - Quora

One Piece Wiki

Oda's Inspiration Behind One Piece Characters - One Piece

Early One Piece Concepts in Honor of Chapter 1000! : r/OnePiece

Early One Piece Concepts in Honor of Chapter 1000! : r/OnePiece

This is what Oda wanted more then anything else. The United States has always been the one place where One Piece was not big. Now it's number one! : r/OnePiece

1046 Spoilers* Oda referencing religious artwork? : r/OnePiece

Found this inspiration for characters : r/OnePiece

Weekly Shonen Jump (Volume) - Comic Vine

One Piece Wiki

If ace being Roger's son wasn't planned from the beginning who could have been ace's dad originally? Dragon? : r/OnePiece

Any theories to this clue left by Oda in Vol 91 SBS? : r/OnePiece