Pierrot Co., Ltd. is a Japanese animation studio established in May 1979 by Yuji Nunokawa, previously an animator and director for Tatsunoko Production. Its headquarters are located in Mitaka, Tokyo. Pierrot is renowned for several worldwide popular anime series, such as Naruto, Bleach, Tokyo Ghoul, Yu Yu Hakusho, Black Clover, Boruto: Naruto Next Generations, Ghost Stories, Great Teacher Onizuka, and Saiyuki.

Mitaka is a city in the western portion of Tokyo Metropolis, Japan. As of 1 March 2021, the city had an estimated population of 190,403, and a population density of 12,000 persons per km2. The total area of the city was 16.42 square kilometres (6.34 sq mi).