Sarutobi Sasuke: From Magical Trickster to Ninja Warrior

The hero Sarutobi Sasuke (literally, “monkey-jump Sasuke”) is one of the most popular Japanese literary characters of the twentieth century. The Tachikawa Bunko book series released in the 1910’s told the story of the samurai Sasuke, who used magic and trickery to defeat his foes. The character garnered so much interest that many other writers wrote their own books, manga, and stories about Sasuke, and filmmakers went on to adapt his story to the big screen throughout the twentieth century. Sarutobi Sasuke’s influence is so wide in Japan that he still maintains some level of relevance in Japan today. From the postwar period onward, however, modern academic and non-academic writers and media figures in both the West and Japan have advanced two controversial claims: first, that Sarutobi Sasuke was either real, or based on a real person, and second, that Sarutobi Sasuke has always been a “ninja.” By investigating the Tachikawa Bunko series that popularized the character of Sarutobi Sasuke, this thesis surveys the evidence available on both of these claims. Firstly, this thesis explores the fact that though there are a wide range of sources available that show Sarutobi Sasuke is a completely fictional character, many authors still write about the character as though he were a historical figure. Secondly, the thesis examines the sources that have characterized Sarutobi Sasuke as a “ninja” by historicizing the idea of “ninja,” which is a term that was never actually used in the original Tachikawa Bunko series to describe Sasuke. Evidence suggests that Sarutobi Sasuke was only ever understood to be a “ninja” after the ninja boom of the 1960’s, and that many of these claims characterizing Sarutobi Sasuke as a ninja have come from the anachronistic misinterpretation of the Japanese words ninjutsu and ninjutsu-tsukai. This thesis thus tells the story of the origins of an often overlooked, yet important fictional character of the twentieth century, while also highlighting a strain of Orientalism, as described by Said, in English-language ninja writing. These issues have led popular writers to ignore Japanese literary creativity and treat all Japanese texts as literal history.