Isshin Kurosaki (黒崎 一心, Kurosaki Isshin), formerly known as Isshin Shiba (志波 一心, Shiba Isshin), is the former captain of the 10th Division, husband of Masaki Kurosaki, and father of Ichigo Kurosaki, Karin Kurosaki, and Yuzu Kurosaki. Isshin is the former head of a branch of the Shiba Clan and the current head of the Kurosaki Family.