[Boshusan]

Quote:

Originally Posted by Dormamu

Wait. If Grandpa is the 'Last Ninja', and all the kids are trying to be the Last Ninja, then how can there be other ninjas, and where did these ninja come from, and why is there a ninja school if there is only a Last Ninja?

Because it's just a title the grandpa made up ?
Because Rule of Cool ?
Because people in Japan sucks at english and can't understand what 'Last' stand for ?