Monster X Strikes Back: Attack the G8 Summit is a 2008 Japanese kaiju comedy film, released by Shochiku and produced by the Guilala Production Committee.

Shochiku Co., Ltd. is a Japanese entertainment company. It started its business in 1895 by managing kabuki theaters in Kyoto, and in 1914, it also acquired ownership of the Kabuki-za theater in Tokyo. In 1920, Shochiku entered the film production industry and established the Kamata Film Studio. Currently, it is considered one of Japan's Big Four film studios and is the oldest among the Big Four. Shochiku is a member of the Motion Picture Producers Association of Japan (MPPAJ).