was a Japanese samurai of the Sengoku period

Sengoku period

The or Warring States period in Japanese history was a time of social upheaval, political intrigue, and nearly constant military conflict that lasted roughly from the middle of the 15th century to the beginning of the 17th century. The name "Sengoku" was adopted by Japanese historians in reference...

 through early Edo period

Edo period

The , or , is a division of Japanese history which was ruled by the shoguns of the Tokugawa family, running from 1603 to 1868. The political entity of this period was the Tokugawa shogunate....

 who was the daimyo

Daimyo

is a generic term referring to the powerful territorial lords in pre-modern Japan who ruled most of the country from their vast, hereditary land holdings...

 of Ezochi (Hokkaidō

Hokkaido

, formerly known as Ezo, Yezo, Yeso, or Yesso, is Japan's second largest island; it is also the largest and northernmost of Japan's 47 prefectural-level subdivisions. The Tsugaru Strait separates Hokkaido from Honshu, although the two islands are connected by the underwater railway Seikan Tunnel...

). Yoshihiro built Matsumae Castle

Matsumae Castle

is a castle located in Matsumae in Hokkaidō, Japan. It was the home of the Matsumae Han. It is perhaps the only traditional style Edo period castle in Hokkaidō.-History:...

 (also known as Fukuyama Castle (Fukuyama-jō 福山城).

He is known for carrying a war hammer and is suited in full battle armor usually heavy enormous armour,he also is a main character in the samurai warriors series of video game.Allies to the hojo clan

Late Hojo clan

The ' was one of the most powerful warrior clans in Japan in the Sengoku period and held domains primarily in the Kantō region.The clan is traditionally reckoned to be started by Ise Shinkurō, who came from a branch of the prestigious Ise clan, a family in the direct employment of the Ashikaga...

 he fights side by side with Masamune and his main enemy is Ieyasu.