Yoruichi Shihouin is a prominent supporting character in the anime and manga series 'Bleach.' She is a former captain of the 2nd Division in the Gotei 13 and the former commander of the Onmitsukidō, known for her incredible speed and expert hand-to-hand combat skills. Yoruichi is also a noble from the esteemed Shihouin clan. She acts as a mentor and ally to Ichigo Kurosaki and his friends, often providing guidance, training, and assistance during critical moments in their battles.