Nothing stirs the imagination quite like ninjas. If you grew up watching Power Rangers, pretending to be James Bond, and playing Mortal Kombat video games, you probably developed a love for ninjas. In fact, if you appreciate virtually any aspect of pop culture, you are bound to be somewhat enamored with the legendary warriors. They specialized in stealth and unarmed combat during the feudal period of Japanese history, yet today, the popular imagination envisions ninjas as being entirely different than what they indeed were.