Genryūsai Shigekuni Yamamoto/Anime Continuity

is the captain of the 1st Division in the Gotei 13 and also the Captain-Commander of the whole Gotei 13. His lieutenant is Chōjirō Sasakibe.

Zanpakutō Unknown Tales arc (anime only)
Note: Events occurring in this arc are only in the anime and do not constitute canon material.

Several centuries ago, during a rebellion which caused a civil war in Soul Society, Yamamoto, praising the actions of Kōga Kuchiki, later gave him the leadership of a special contingent of troops. When Kōga became a rogue, Yamamoto helped Ginrei seal Kōga with a special Kidō spell.

Bount arc (anime only)
Note: Events occurring in this arc are only in the anime and do not constitute canon material.

Thinking Mayuri Kurotsuchi is betraying Soul Society, Yamamoto has Byakuya get all information he can about the Bount. Later, he, holding a meeting with the remaining captains, tells them about the Bount invading Rukongai and the origins of the Bount.

The New Captain Shūsuke Amagai arc (anime only)
Note: Events occurring in this arc are only in the anime and do not constitute canon material.

Yamamoto presides over Shūsuke Amagai being appointed captain of the 3rd Division. Amagai uses his position to attempt to exact revenge against Yamamoto, believing he killed his father, Shin'etsu Kisaragi. In reality, Shin'etsu had been given a mission to investigate the Kasumiōji Clan, but was captured by Gyōkaku Kumoi and used as a test subject for the Bakkōtō. As Shin'etsu was possessed by the Bakkōtō, Yamamoto killed him to end his suffering. After killing Kumoi, Amagai attacks Yamamoto, using his Bakkōtō to prevent Yamamoto from using his Zanpakutō. While Yamamoto is defenseless, Ichigo arrives and fights Amagai, but despite Amagai being outmatched and near death, he stabs Yamamoto. After Yoruichi Shihōin and Yamamoto reveal the truth, Amagai commits suicide to atone for his crimes.

Zanpakutō Unknown Tales arc (anime only)
Note: Events occurring in this arc are only in the anime and do not constitute canon material.

Gotei 13 Invading Army Arc (anime only)
Note: Events occurring in this arc are only in the anime and do not constitute canon material.