A group of evil Choujin calling themselves the d.M.p. attack Earth, but time and the years without evil to fight have taken their toll on the previous generation of Seigi Choujin, who are soundly defeated. They make the decision to reopen the Hercules Factory to train a new group of Seigi Choujin to challenge the d.M.p.
- Main Article: List of Kinnikuman Nisei characters
- Kinnikuman Nisei ~All Chojin Dai Shingeki~ (2002-07, Alternate Retelling)
- Kinnikuman Nisei: Ultimate Chojin Tag Arc (2004~11, Special Story Arc)
- Kinnikuman Nisei (film) (2001, Film)
- Kinnikuman Nisei (2002, TV Anime)
- Ultimate Muscle (200?-??, English Dub)