The Green Databook revealed that Sanji's original name was going to be 'Naruto'. However, as the ninja manga "Naruto" was about to be serialized with Jump, Oda changed the name to prevent confusion.
The two new admirals were originally going to be themed to a Pig and Kappa (which, alongside Kizaru's Monkey, would be a nod to Journey to the West) as opposed to the selected Tiger and Bull.[1]
Neko Neko no Mi (ネコネコの実?): A Devil Fruit Oda initially intended for Marguerite, making her a Cat Human (ネコ人間,Neko Ningen?).[3] Also referred to as Neko Neko no Mi, Model: Kuroneko (ネコネコの実・モデル黒猫,Neko Neko no Mi Moderu Kuroneko?, literally "Model: Black Cat") in Vivre Card - One Piece Visual Dictionary.[4]
Years later, a cat Zoan-type Devil Fruit was also considered for Stussy.[5]
A crab Zoan-type Devil Fruit Oda initially intended for Inazuma.[6]
Shiru Shiru no Mi (シルシルの実?, lit. Juice Juice Fruit): The first Devil Fruit intended for Charlotte Smoothie.[8]
Kaju Kaju no Mi (カジュカジュの実?, lit. Fruit Fruit Fruit): A second Devil Fruit intended for Charlotte Smoothie, between the Shiru Shiru no Mi and the Shibo Shibo no Mi.[8]
Obi Obi no Mi (オビオビの実?, lit. Sash Sash Fruit): A Devil Fruit Oda initially intended for Black Maria.[9]
A stegosaurus Zoan-type Devil Fruit, also originally intended for Black Maria.[10]
A panda Zoan-type Devil Fruit, originally intended for Stussy.[5]
A bird Zoan-type Devil Fruit, also originally intended for Stussy.[5]
Trivia[]
In an SBS question corner, Oda mentioned considering a Devil Fruit called "Ero Ero no Mi" for Monkey D. Luffy about 13 times. However, this was most likely just a joke.[14]