Yoshinori Nakai

Ultimate Muscle: The Kinnikuman Legacy, known in Japan as Kinnikuman II sei, is a manga and anime series made by Yoshinori Nakai and Takashi Shimada under the pen name Yudetamago. It is the sequel to the hit manga Kinnikuman that they started in 1979. The toy line of Kinnikuman was released in North America as M.U.S.C.L.E.. The name of Ultimate Muscle was chosen to connect the Americanized storyline of the M.U.S.C.L.E. toyline of the 1980s into the anime. Bandai also produced intermittently distributed toy tie-ins during the initial run of Ultimate Muscle.

Kinnikuman returns to the ring in an epic three-way battle between the Seigi, Akuma and Perfect Chojin factions and reveals the roots of the Chojin.

Kinnikuman (real name Suguru Kinniku), is a clumsy, foolish, comical superhero who discovers that he is the missing prince of the planet Kinniku (known for producing the greatest superheroes in the universe). Since he is a clumsy fool, however, he must prove himself worthy of the throne. To do so he enters wrestling competitions and battles evil Chojin.

This is a kungfu action story which unfolds in the old and strange land of China.Lomien-man, whose parents were murdered when he was a small boy, was brought up by a mysterious kungfu master. He underwent years of training to become a clam and composed martial arts practitioner. Having received the Secret Scripture, as authorized initiation book, from the master, he sets out on a journey to avenge his parents' death.In dangerous territory swarming with evil persons, the ring of righteousness spreads once Lomien-man appears on the scene. During the difficult journey, he grows bigger and bigger as a martial artist. Even those, who have fought fiercely one-time with Lomien-man, will later develop deep bond of friendship with him. And the old Master always gazes upon him warmly from somewhere. Thus, each time Lomien-man fights in this way, he spiritually as well as physically gets closer to becoming the mightiest martial artist.

In November, 2019, the planning and production of the live action version of the national hero manga "Kinnikuman", directed by Sono Sion, was in progress. "Kinnikuman" was said to be impossible to adapt but it's now said that it will be a great project. Maeda Gordon, while training at the gym, is contacted by the producer of "Kinnikuman", asking him to appear in the movie. However, there's a hidden past attached to this film and the actor begins looking into the mystery.

When Bibimbap, the last daughter of the Horumon Clan falls in love with Kinnikuman during her mission to assassinate him, her father Horumon Yaki enlists the aide of Shishkeba Boo of the Barbecue Clan, promising him Bibimba's hand in marriage. Shishkeba Boo himself has joined forces with the "Dark Monarch" Black Emperor, who looks to destroy Kinnikuman.

While the New Generation Choujins are taking part in Fan Appreciation Day, The Cyborg arrives, takes Meat hostage, and challenges Mantarou to a fight inside Tokyo Tower.

While performing in a movie at Toei Eigamura, Kinnikuman suddenly disappears. Somehow, he has been sent to Edo Period Japan. In Edo Japan, a villain called Shuten Doji is threatening to destroy the Earth if he is not given Princess Mari. Always willing to impress a pretty girl, Kinnikuman immediately vows to destroy Shuten Doji. Aware of Kinnikuman's situation, Terryman, Robin Mask, and the other Justice Chojins travel to Edo Japan too (via Kinkotsu-obaba's powers).

Theatrical film of the anime series Tatakae!! Ramenman, based on the manga chapter "Strike the Darkness".

As the whole world watches the Choujin Rugby game on TV, the "Underground Space Emperor" Hydra King has his Underground Space Supermen kidnap Robin Mask. Their aim is to lure out the Seigi Choujins and then attack them using the Robin Memo, which contains info on all of the Seigi Choujin's weaknesses. Watching on TV all over the world, Kinnikuman and the Seigi Choujins get together and head for Planet Hydra.

Princess Darenanda and Arenanda were on their way to Japan on the maiden voyage of the luxury cruise ship Rosebud to deliver Muscle Carrot, a secret elixir that is said to dramatically power up superhumans, to the righteous superhumans. However, a cruel superhuman army targeting the Muscle Carrot appears and takes over the Rosebud. Arenanda escapes alone and asks Mantaro, Kid and the others for help in rescuing the captured princess. Mantaro is the only one who hates scary things and tries to refuse, but when he notices that the princess is exceptionally beautiful, he is motivated! The group infiltrates the Rosebud in a Cessna! Will Mantaro and his friends be able to rescue the kidnapped princess? And what is the purpose of the evil superhumans who are targeting the princess?

While Kinnikuman is on vacation with Mari-san's kindergarten class at Easter Island, the young wheelchair-bound Kouichi-kun laments being with an idiot like Kinnikuman, preferring to instead be with his favorite Seigi Choujin Buffaloman. Meanwhile, the other Seigi Choujins are also vacationing at ancient landmarks.

Terryman, Robin Mask, and the other Justice Choujins are participating in a tournament in New York. Suddenly, Akuma Shogun (not the same as the guy from the series) arrives and defeats all of the Justice Choujins and absorbs their power... all except Kinnikuman (who was late for the tournament because he was busy eating gyuudon). Now Kinnikuman must defeat Akuma Shogun, whom now posseses the combined strength of all the Justice Choujins.

This short film, made for schools to show, teaches traffic safety using the Kinnikuman cast. A Devil Chojin teams up with Kinkotsuman and Iwao to create a dangerous theme park named "Traffic Hell Land". It's up to Kinnikuman, Terryman and Meat-kun to stop them with their usual wrestling action, while teaching the kids trapped there proper traffic safety. 

The first theatrical film of the anime series Kinnikuman. After winning the 21st Choujin Olympics, Kinnikuman plans to build his own theme park. As his friends and celebrities arrive, the sky grows dark and with a flash of lightning Kinnikuman's championship belt is gone. He then sees that it has been taken by Octopus Dragon III, who challenges him to take it back. Kinnikuman tries but fails and Mari is kidnapped. Octopus Dragon gives Kinnikuman a time limit to save her before she is fed to the monster Gigasaurus and then returns to his home world of Planet Metro (メトロ星, Metoro-sei). Despite his injuries, Kinnikuman is determined to go and reclaim his belt and Mari. Luckily, Terryman, Ramenman, Robin Mask, Warsman, Brocken Jr., and Rikishiman arrive to lend him a hand.

Meat-kun has been kidnapped by Iron Mask. In order to save Meat-kun, the treasure of Inmora Island is needed. Furthermore, the treasure is hidden in the Seven Story Tower, which is guarded by the brutal Senshi Choujins. When Kinnikuman asks Terryman and the Seigi Choujins to help him, for some reason they all refuse. Alone, Kinnikuman heads to Inmora Island to fight the Senshi Chōjin and is overwhelmed by their great numbers.