Well most people say there are 12. There are actually 16.
There are over 10,000 ninjas in clubpenguin.
None because the ninjas where in old Japan but they died out.
There is no way to tell how many Ninjas have made blocks in the NBA. This is due to the fact that Ninjas are stealthy and would be impossible to detect let alone track for a block.
There are 6 chapters in Mini Ninjas DS, and 17 actual levels.
5
twelve
It began in the ghettos of Kobe, Japan, and yes, i do enjoy ninjas! There was no art of Ninjas ninjas didn't exist
It's unknown. Enough to take all the students to Hogwarts.
Ninjas are Warriors and Warriors are Ninjas but Ninjas would win.
1
about 20
You have to learn super ninja power skills at Hogwarts School of Ninjas then you will have to go on a quest! On that quest you will find a book. In that book it will tell you something!.................................................................................................................................................................................................................................................................................................................................................................Trololol I just wasted your life!