was licensed in the United States by Viz Media, it has been licensed in other countries as well for regional language releases in French by Glénat Editions, in Spanish by Planeta DeAgostini for European versions, and Panini Comics for Latin American versions, in Italian by Star Comics, in German by Carlsen Verlag, in Russian by Comix-ART, in Polish by Japonica Polonica Fantastica, and in Swedish by Bonnier Group. Spin-offs and crossovers A special side story, titled , was developed by Toriyama and published together with chapter 386 on August 31, 1992, in issue No. 36/37 of Weekly Shōnen Jump. Toriyama created a short series, Neko Majin, that became a self-parody of Dragon Ball. First appearing in August 1999, the eight-chapter series was released sporadically in Weekly Shōnen Jump and Monthly Shōnen Jump until it was completed in 2005. These chapters were compiled into one kanzenban volume released on April 4, 2005. In 2006, to celebrate the 30th anniversary of Kochira Katsushika-ku Kameari Kōen-mae Hashutsujo (or Kochikame), a special manga titled was released on September 15. It included characters from the series appearing in special crossover chapters of other well-known manga. The chapter was a Dragon Ball crossover by Toriyama and Kochikame author Osamu Akimoto. That same year, Toriyama teamed up with Eiichiro Oda to create a single crossover chapter of Dragon Ball and One Piece. Entitled "Cross Epoch", the chapter was published in the Christmas 2006 issue of Weekly Shōnen Jump in Japanese and the April 2011 issue of Shonen Jump in English. The final chapter of Toriyama's 2013 manga series Jaco the Galactic Patrolman revealed that it is set before Dragon Ball, with several characters making appearances. Jacos collected volume contains a bonus Dragon Ball chapter revealing Goku's mother. Jaco and the bonus chapter were both published by Viz in their digital English Weekly Shonen Jump, and later in print. Dragon Ball SD is a colored spin-off manga written and illustrated by Naho Ōishi was published in Shueisha's Saikyō Jump magazine in December 2010. It is a condensed retelling of Goku's various adventures, with many details changed, in a super deformed art style, hence the title. After four chapters, the quarterly Saikyō Jump switched to a monthly schedule. The chapters published after the monthly switch have been collected into five tankōbon volumes as of February 2, 2018. Dragon Ball: Episode of Bardock is a three-chapter manga, once again penned