"Zettaizetsumei Dangerous Jiisan - Naki No 1kai Zettai Fukujuu Violence Kouchou - Wagahai Ga 1ban Erainjai!!" is a Japanese video game for the Game Boy Advance (GBA). The game follows the adventures of an elderly superhero named "Dangerous Jiisan" as he fights against various villains to save the city. The subtitle "Naki No 1kai Zettai Fukujuu Violence Kouchou - Wagahai Ga 1ban Erainjai!!" roughly translates to "The Absolute Obligation to Violence - I am the Number One Troublemaker!"
