He served with distinction at the battles of Anegawa in 1570 and Mikatagahara in 1572.

After Imagawa Ujizane had held Ieyasu's wife and son as hostages in 1561, Hanzo made a successful hostage rescue of Tokugawa's family at Kaminogo castle in 1562 and went on to lay siege to Kakegawa castle in 1569 against the Imagawa clan. Hanzo had a great contribution to Tokugawa Ieyasu's rise to power, helping the future Shogun bring down the Imagawa clan. At the time, he commanded seventy Iga ninja. At the age of 16, his first battle was a night time attack during the siege of Udo Castle (1557). Though HanzЕЌ was born in Mikawa Province (now Iga-chЕЌ, Okazaki, Aichi), he often returned to Iga Province, home of the Hattori family. He would later earn the nickname Oni no HanzЕЌ ( й¬јгЃ®еЌЉи”µ, Demon HanzЕЌ) because of the fearless tactics he displayed in his operations this is to distinguish him from Watanabe Hanzo ( Watanabe Moritsuna), who is nicknamed Yari no HanzЕЌ ( ж§ЌгЃ®еЌЉи”µ, Spear HanzЕЌ). His birth name is Hattori Masanari and become the Second HanzЕЌ. Born the son of Hattori Yasunaga ( жњЌйѓЁ дїќй•·) (first HanzЕЌ), a minor samurai in the service of the Matsudaira (later Tokugawa) clan.

Hanzo ultimate spelling