Ninja (disambiguation)Topics referred to by the same term / From Wikipedia, the free encyclopedia A ninja was a secret agent or mercenary of feudal Japan specializing in unorthodox arts of war. Look up ninja in Wiktionary, the free dictionary. Ninja may also refer to:
A ninja was a secret agent or mercenary of feudal Japan specializing in unorthodox arts of war. Look up ninja in Wiktionary, the free dictionary. Ninja may also refer to: