|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 Aizu clan during the Meiji restoration, acting as one of the commanders for their saboteur runs and assassinations. He was killed by Himura Kenshin.
- Takimi Shigure- Shigure and Gentatsu were both friends and comrades during the war.
- Takatsuki Toki - Gentatsu's younger sister.