Shimotsuki Kozaburo, One Piece Wiki

For the chapter of the same name, see Chapter 1033. Shimotsuki Kozaburo was a member of the Shimotsuki Family and a swordsmith who crafted the Great Grade Blades, Wado Ichimonji and Enma. He was born in Wano Country, but illegally departed from there 55 years ago and eventually settled down in what became Shimotsuki Village in the East Blue. There, he fathered a son named Koushirou, making him the grandfather of Koushirou's daughter Kuina. The last time he was seen alive, Kozaburo was an old man

Shimotsuki Kozaburo, One Piece Wiki

Shimotsuki Ushimaru, One Piece Wiki

Shimotsuki Kozaburo, One Piece Wiki

One Piece episode 1060: Release date and time, countdown, where to watch, and more

I drew Zoro and Ryuma(from Monsters) : r/OnePiece

SBS this is really important information. Here's a list of all the WB pirates division leaders! And why we should take SBS as “Extra” and not part of the story. Thanks Oda

Shimotsuki Ushimaru, One Piece Wiki

Shimotsuki Art Prints for Sale

What are Roronoa Zoro's swords? - Quora

Raoul One Piece+BreezeWiki

It's either him or his older brother, imho. ^^ I - Majora's One Piece & iCORE blog