Like the best ninja, you probably didn’t even see it coming – but today is National Ninja Day!
Happy Ninja Day: The Top 5 Pop Culture Ninjas
U.S. actor Jack Black poses to promote his film "Kung Fu Panda" in Madrid.
REUTERS/Susana Vera
REUTERS/Susana Vera
Like the best ninja, you probably didn’t even see it coming – but today is National Ninja Day!
