I'm not fully sure. But it seems like it started around the time Naruto Became popular.
Because there ninjas.
Surf Ninjas.
The game Mini Ninjas was developed by IO Interactive. Mini Ninjas was published by Eidos Interactive. It was released on all the popular platforms in 2009.
yes it says above thieves so yes ninjas do steal
Ninjas are pretty awesome because they are so quiet. They can sneak up on people and no one will ever hear them coming.
They wanted to find info so they used ninjas as spies actually. ninjas where rebbelling peasants who killed samurai. later on they became assasins
nerds, ninjas, ghosts, and public figures.
because there so FIRKIN AWSOME
Ninjas originated in Japan during the feudal era. They were covert agents skilled in espionage, sabotage, and guerrilla warfare. So, ninjas are Japanese, not Chinese.
It began in the ghettos of Kobe, Japan, and yes, i do enjoy ninjas! There was no art of Ninjas ninjas didn't exist
Ninjas are Warriors and Warriors are Ninjas but Ninjas would win.
so no one can see how they won the fight with sensei