AppearanceJozu is a big, muscular, heavily-armored man. The armor he wears is similar that to a samurai, with bolted shoulder pads. Jozu has a long face with stripe-like patterns for a beard and hairstyle. His legs are relatively thin, in comparison to his muscular arms. He appears battle-hardened and has a perpetual scowl on his face.
Personalityjozu is a gruff, fairly quiet individual who tends to point out info to his crewmates. However, when he blocked Mihawk's sword strike, Jozu gave a savage battle cry. Like Marco, he is loyal to Whitebeard and his crew.
Abilities and PowersAs the commander of the third division of the Whitebeard Pirates, Jozu has authority over the lower-ranking subordinates. In addition, he is also one of the top four commanders of the Whitebeard Pirates, making him one of the top four fighters on board under Whitebeard himself.
Like Marco and the other higher members of the Whitebeard Pirates, Jozu was capable of retaining consciousness from Shanks' powerful Haki. He is also apparently capable of hitting Logia users. Despite his huge size, he is extremely fast.
He has incredible reflexes, as he is able to instantly respond to Juracule Mihawk's sword strike and jump down onto the ice field in order to protect the Moby Dick and Whitebeard. He also possesses vast strength, as shown when he hurled a huge iceberg at the giants protecting Marineford. The iceberg was so enormous that it appeared to be at least ten times as big as any of the giants of the Giant Squad.
He is able to injure a Logia user (something only Haki wielders have previously been seen capable of doing), as seen when he hit Crocodile successfully. It has not been confirmed as to whether or not Jozu has the ability to use Haki.
Jozu apparently ate some sort of Devil Fruit that allows him to turn part or all of his body into diamond. It is unknown whether this is a Paramecia or Logia, but in this form, his defenses seem to enhance exponentially, to the point of blocking the strongest sword in the world from the world's greatest swordsman, Shichibukai Juracule Mihawk, with no visible damage to himself. He also uses the power to enhance the power of his already-powerful physical attacks. This power has earned him the nickname "Diamond Jozu".
The named Devil Fruit techniques used by Jozu are as follows:
* Brilliant Punk (ブリリアント・パンク, Buririanto Panku): Jozu basically rushes into an enemy and slams his diamond transformed forearm into them. This was first seen being used against Crocodile
Like Marco, Jozu first appeared as a background character, but unlike Marco, he did not get any dialogue. It wasn't until later, that he gets identified by name and role in Whitebeard's crew.