Name: Toyotomi Hideyoshi (豊臣秀吉 とよとみひでよし)
Biography: Toyotomi Hideyoshi was a powerful daimyo (leader or warlord) who brought the Civil War (Sengoku) era to an end by unifying Japan under his rule. According to some scholars, he had an extra thumb on his right hand. Toyotomi Hideyoshi built the famous green-roofed castle in Osaka, where his crest remains the symbol of Osaka Prefecture to this day.
Additional reading: Wikipedia (English), Wikipedia (日本語).