Manga series created by Yoshinori Nakai and Takashi Shimada under the name Yudetamago. Originally serialized in Weekly Shounen Jump from 28 May 1979 to March 1987 for 387 chapters and later collected in 36 volumes. It was adapted into two anime series: a 137-episode series that aired on NTV from 3 April 1983 to 1 October 1986, and a 46-episode series (Kinnikuman: Scramble for the Throne) that also aired on NTV from 6 October 1991 to 27 September 1992, in addition to seven theatrical films (1984-1986) and a television special (7 April 1984).
After 24 years, it returned in Shuu Play News, Shueisha's web version of Weekly Playboy on 28 November 2011. An additional 22 volumes have been published, numbered 37 to 58 as of 3 March 2017.
The series involves an intergalactic stand-off between various heroes and villains with wrestling as a center theme.