* Image is for illustrative purposes only.Hattori Hanzō
服部半蔵
Oni Hanzō: The Iga Ninja Leader Who Lived in Tokugawa Ieyasu's Shadow, His Name Still Marks the Pinnacle of the Swordsman
Description
The Birth of Oni Hanzō
Hattori Hanzō Masanari, born in 1542 (Tenbun 11) in Mikawa Province (present-day Okazaki, Aichi Prefecture), served Tokugawa Ieyasu as the leader of Iga shinobi and remains a historical figure known for being the era's greatest shadow warrior and ninja general. Hanzō, bearing the alias "Oni Hanzō," was a rare individual who fused ninjutsu and martial arts at the highest level. While serving as the leader of Iga ninja, he also demonstrated exceptional martial prowess as a regular samurai warrior, consistently charging first in over twenty battles.
The Feat of the Iga Crossing
In June 1582 (Tenshō 10), news of Oda Nobunaga's sudden death in the Honnō-ji Incident reached Tokugawa Ieyasu, who was staying in Sakai, with shocking impact. Fearing that Akechi Mitsuhide's forces might reach him, Ieyasu and his small entourage attempted to return from Sakai to Okazaki Castle. During this "Iga Crossing," Hattori Hanzō mobilized Iga and Kōga shinobi to guide and protect Ieyasu's party. Without Hanzō's quick thinking and the Iga shinobi network, Tokugawa Ieyasu might have been cut down by Akechi's pursuers. This feat became Hanzō's greatest achievement and was passed down to posterity; the route taken during the Iga Crossing is sometimes still called the "Hanzō Crossing."
Master of the Spear and Swordsman
Hanzō was synonymous with the "long spear." He excelled with the long spear, and his thrusting technique was feared as "like that of a demon god." Yet Hanzō was also a master of the blade, and as the leader of ninja, he was a versatile martial artist proficient with multiple weapons. The shinobi sword that Hanzō wielded was shorter than a standard blade, crafted with a straight edge (jikiba) to maximize practicality. The sheath could be used to scale walls, hidden throwing blades could be stored in the tip, and the blade could be quickly returned to the sheath to transition to the next move—the ninja's sword was a specialized weapon that combined martial and practical tool functions.
The Fusion of Ninja and Samurai
What Hanzō embodied was the fusion of two martial traditions: the ninja and the samurai. The secrecy, deception, and intelligence-gathering of ninjutsu seemingly contradicted the samurai's frontal assault, martial discipline, and loyalty to their lord, yet in Hanzō these elements were integrated as a unified whole. Hanzō's way of life—living in Ieyasu's shadow and remaining unseen while charging first in battle—was a practice of the samurai code's "mastery of both pen and sword" (bunbu ryōdō) in the hidden realm.
The Origin of Hanzō Gate
The "Hanzō Gate" on the western side of Edo Castle (present-day Imperial Palace) took its name from Hattori Hanzō's residence being located there. As leader of two hundred Iga shinobi, Hanzō was responsible for the defense of Edo Castle and was expected to serve as the shogun's last bastion. The gate's name remains today as a Tokyo place name and also serves as the name of the Tokyo Metro Hanzōmon Line. More than four hundred years after his death, Hattori Hanzō's name remains etched in the streets of Tokyo.
Legend and Reality
Hattori Hanzō has been repeatedly depicted in literature, theater, and film as "the greatest ninja swordsman." In director Quentin Tarantino's film "Kill Bill," the name "Hattori Hanzo" is used as the creator of the protagonist's quest for the "world's greatest sword," extending the relationship between Hanzō and the blade into modern pop culture. The historical Hanzō was more likely an excellent organizer and intelligence officer than a schemer employing ninjutsu, yet his legendary fame is inseparable from the mystical allure of the Japanese sword and continues to be told to this day.
Later Years and Succession
In 1596 (Bunroku 5), Hanzō passed away at the age of fifty-five. His son Hattori Masasue inherited his father's position as leader of the Iga shinobi, but later faced problems in his relationship with the shogunal family and was dismissed. However, the name "Hattori Hanzō" was inherited through the Edo shogunate and passed down to successive heads of the Hattori family as the title of leader of the Iga shinobi. The martial renown and expertise in swords of the first-generation Hanzō Masanari continued to shine as an ideal to be inherited by the Hattori family members who came after him.
Notable Swords
- Shinobi Sword (A short practical blade with a straight edge. A multi-functional tool used by ninja to scale walls and serve as a weapon. The blade of assassination and defense wielded by Oni Hanzō on hidden battlefields)
- Tachi of the Iga Leader (A formal tachi worn by Hanzō as a regular samurai commander who always charged first. A symbol of the ninja leader and warrior comparable to the Four Tokugawa Heavenly Kings)
- Long Spear: Hanzō's Spear (The naginata wielded by Oni Hanzō. The weapon of his spirit, whose demon-god-like thrusting technique carried him through more than twenty battles)