Kid Muscle Max'd Out
With Baron Maximillion and Kid Muscle ready to square off, Kid Muscle laughs at the boniness of the Baron's body, as he is the skinniest wrestler anyone has ever seen. The Baron says that strength isn't the only way to win a battle, and Kid Muscle soon learns this as he charges toward the Baron and misses every time. Maximillion is too fast for him, and zips around the ring, striking Kid Muscle repeatedly. Meat comes up with a strategy for Kid Muscle, saying that he should grab onto the Baron when he gets close. Kid Muscle does this, and grabs onto the Baron's leg, stopping him from attacking. The Kid then says he only wishes the Baron was a real competitor, and Maximillion fulfills his wish by growing into a large wrestler in black armor, with huge hair. Now the same size as the Kid, the new Baron tosses Kid Muscle around the ring like a rag doll. As the Baron's about to finish him off for good, King Muscle shows up on the scene, looking pumped up. Everyone is shocked to see the veter
Aired 18/12/2002EP 50 - Kid Muscle Max'd Out

Ultimate Muscle
Kid Muscle (or Mantaro for short) is a bumbling, gross, and wimpy sort-of person. Unfortunately, he has been summoned to protect the earth from the evil dMp, a band of cheating wrestlers from outer space. Luckily he's not undertaking this task alone. Kid Muscle must join the Muscle League, a group of wrestlers from outer space who are training themselves so they can defend the earth, and stop the dMp by achieving "Ultimate Muscle", a hidden power that makes Mantaro an almost unbeatable opponent.
(Source: Anime News Network)