It became popular along the “Ninja Turtles”. Ninjutsu is practiced by partisan warriors and assassins in ancient Japan. Now more likened criminals, these “ninjas” used their skills to hide very well and to surprise and defeat their rivals.
Created in Feudal Japan era, Ninjutsu was made to kill. Uses arms and legs, but trainees are also using weapons like shurikens, clubs, swords and even explosions.
Nowadays Ninjutsu is not so common, but many of its techniques are used in other martial arts.
Famous followers: Ashida Kim, Frank Dux