The Sanada Ten Braves (also known as the Ten Heroes of Sanada (Sana 真 means "true" - da 田 means "field" - Jū 十 means "ten" or "crossword" - yū 勇 means "brave" - shi 士 means "soldier", 真田十勇士, Sanada Jūyūshi)) were a group of ninja bodyguards that assisted Sanada Yukimura during the Warring States era of Japan (Sengoku period).