Jidanbō Ikkanzaka

is the gatekeeper of the to Seireitei, uses twin axes in battle and is apparently quite strong. He has been guardian of the West Gate for 300 years before the main timeline. He, unfortunately lacks emotional stability, falling to pieces after Ichigo breaks them. He was taught the rules of Rukongai by Kaien Shiba. He is the elder brother of former 7th Division 4th seat Jirōbō Ikkanzaka.

Ichigo Kurosaki and his friends confronted him after they tried to get into thee Sereitei. Ichigo opposed him and Jidanbō was soundly defeated. In recognition, Jidanbō opened the gate but the group was stopped by Gin Ichimaru who wounded Jidanbō and closed the gate. In the manga, he severed Jidanbō's left arm. Orihime Inoue used her powers to heal Jidanbō's arm and during the final battle, Jidanbō accompanied Kūkaku Shiba into the Sereitei.