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Official Site: Viz Media

is a short series of one-shot manga chapters by Akira Toriyama, spanning eight total installments released from 1999-2005. It is most notable for its later portion, Neko Majin Z, which is a self-parody of Dragon Ball, the author's most famous work.

Originally a one-shot bearing little relation to Akira Toriyama's other series, the first chapter of Neko Majin appeared in Weekly Shōnen Jump in April 1999 (WJ #22-23). Though there were some similarities, it did not become a self-parody of the Dragon Ball manga until Neko Majin Z, which had cameos of characters from the author's magnum opus. As of 2005, the series was completed with eight total chapters (five of which are Dragon Ball parodies). These chapters were compiled into a "kanzenban"-style package for release in Japan on April 4, 2005. The last chapter of Neko Majin Z was released in an issue of the North American monthly Shonen Jump magazine as a bonus to the special Dragon Ball collectors issue.

All chapters of Neko Majin were originally published in Weekly/Monthly Shōnen Jump in Japan.

All eight chapters are collected in one volume, published by Shueisha's Jump Comics imprint.

Onio has not been a contender in any CBUB matches.