Yamamoto Genryūsai is a fictional character from the popular manga and anime series Bleach, created by Tite Kubo. He serves as the Captain-Commander of the Gotei 13, the organization of Soul Reapers responsible for maintaining the balance between the worlds of the living and the dead. Known for his immense power and wisdom, Yamamoto wields the ancient fire-based Zanpakutō called Zanka no Tachi. Yamamoto is characterized by his long white hair, traditional Shinigami attire, and a commanding presence. He plays a crucial role in the series, particularly during the Thousand-Year Blood War arc, where he leads the Soul Reapers against the formidable Quincy threat. His dedication to protecting the Soul Society and its inhabitants is a central theme in his character development.