Speed Jiru

Speed Jiru is the commander of the 14th division of the Whitebeard Pirates.

Appearance
Speed Jiru is a round man, wearing a fez and a robe with Whitebeard's insignia printed on them.

Abilities and Powers
As the commander of the 14th Division, Speed Jiru has authority over the lower-ranking subordinates.

Speed Jiru seems to have the ability to change body shape, sometime he appears to be fat while other times slim. It is unknown if this ability stems from a Devil Fruit or some other method, such as Life Return.

Weapons
Speed Jiru was seen using a lance at the start of the war.

Marineford Arc
He was first seen, along with the other Whitebeard Pirates, in Marineford's bay, ready to save Ace. He was amongst the Commanders who backed up Luffy when the latter was attacked by Admiral Kizaru. He attacked the Plaza along with his comrades, and was shocked to hear of Whitebeard's will to sacrifice himself for his sons. As Ace pronunced his last words, he was seen crying.

Trivia
"Jiru" may refer to many different things.

External References

 * Fez - Wikipedia article about the type of hat Speed Jiru wears