|Affiliation||Ex-Aizu Clan Member, Rebel Leader|
|Anime Debut||Samurai X: The Motion Picture|
Takatsuki Gentatsu is the older brother of Takatsuki Toki. He is a veteran samurai who fought valiantly for the Tokugawa Shogunate under the Aizu clan during the Meiji restoration, acting as one of the commanders for their saboteur runs and assassinations. During a surprise attack on a crucial negotiation by the forces of the Isshin Shishi, was killed by Himura Kenshin.
- Takimi Shigure- Shigure and Gentatsu were both friends and comrades during the war.
- Takatsuki Toki - Gentatsu's younger sister.