Captain of Squad 1: Yamamoto Genryusai Shigekuni (Captain-Commander) Characteristics: The legendary 'Sword Demon' and the strongest leader who founded the original Gotei 13. A cold-blooded ruler who reduced enemies to ashes with overwhelming flame-based martial power, unconcerned with the lives of his subordinates or the means used to achieve victory.

Captain of Squad 11: Unohana Yachiru (later Retsu) Characteristics: The most heinous villain in the history of the Soul Society and the first 'Kenpachi.' A bloodthirsty killer covered in scars who enjoyed battle and learned healing Kido specifically to prolong her fights and slash her victims for longer.

Captain of Squad 2: Shihoin Chika Characteristics: Head of the Shihoin Clan, one of the Four Noble Houses, and the progenitor of the Stealth Force. A lean man with dark skin and long tied-back hair, he was a master of assassination, stealth techniques, and hand-to-hand combat.

Captain of Squad 3: Izuhara Kinroku Characteristics: A Soul Reaper with a taciturn impression, featuring long silver hair and round sunglasses. He is the type to watch for gaps in the enemy's defense with a cold and calculating attitude.

Captain of Squad 4: Shijima Chigiri Characteristics: A handsome Soul Reaper with long, neat hair and a chilling gaze. He is the origin of Squad 4, which executed slaughter with cold indifference before it eventually transformed into the Relief Squad.

Captain of Squad 6: Saito Furuoki Characteristics: A delinquent girl Soul Reaper with a mad streak, sporting twin tails, an eyepatch, and a habit of sticking out her tongue. She has a violent and brutal personality, wildly swinging a long sword.

Captain of Squad 7: Shigakyo Nobutsuna Characteristics: A wild, giant warrior with a massive frame, wearing puffy clothes and draped in animal skins or furs.

Captain of Squad 8: Katori Batsunsai Characteristics: Though she appears to be a refined woman with a neat bob cut and glasses, she is a cold-blooded powerhouse who turned battlefields into seas of blood while wielding a massive naginata.

Captain of Squad 10: Otagawa Furuoki Characteristics: A veteran warrior-like Captain with a long braided beard, sharp scars on his temples, and intimidating tattoos all over his body.

Captain of Squad 13: Sakahone Saizo Characteristics: Despite his appearance as a skeletal, emaciated old man leaning on a cane, he is a cunning killer who snuffs out the lives of careless enemies while radiating an eerie Spiritual Pressure and bloodlust.