Ryūzaki Ishimura

Ryūzaki Ishimura (竜座気石村, Ishimura Ryuuzaki) is the Captain of the Earth Unit within the Kidō Corps of Soul Society.

Zanpakutō
Sarutahiko (猿田彦, literally "Monkey-Field Prince") is the name of Ryūzaki's Zanpakutō.

Behind the Scenes
His appearance and sand-based abilities are based off Gaara from the anime and manga series Naruto.