To settle matters, Pirates > Ninjas (Thanks Google!)

Yes, it is a debate that has been raging for quite some time, but thanks to Googles book scanning and Ngram viewer, we have a new means of quantifying the Pirates vs. Ninjas debate. Behold:

That red line is Pirates trouncing Ninjas from Googles book scanning efforts! Of course, to make matters worse, we can compare some other fun things like:

Star Wars walking all over Trek (blasphemous some might say!).

And Love > Hate:

Head over to Google Labs Books Ngram Viewer and give it a try for yourself!