8. Yoshimitsu from the Tekken series
Yoshimitsu doesn’t look like your typical ninja. In fact, he looks like an alien. He even sounds like one sometimes, making some of those strange noises that he makes.
But behind the pauper hat he sometimes wears or the garish outfits, he’s a pure ninja, through and through. He brings a sword to an iron fist tournament, can teleport across the screen, and even stabs himself sometimes to get to you. If that’s not ninja, then we don’t know what is.