User blog comment:Godisme/THE STAIRWAY TO HEAVEN/@comment-5551986-20121121005551/@comment-1393830-20121121005956

There is no previous Captain Commander. Yamamoto was the founder and first captain commander of the Gotei 13. He also cannot be the previous Kenpachi as the previous Kenpachi was Kenpachi Kiganjo, who was killed by Zaraki.