King Muscle is a fictional character from the popular Japanese manga and anime series Ultimate Muscle, created by Yudetamago. He is known for his incredible strength and heroic personality, often fighting against various villains in wrestling matches. King Muscle is the alter ego of Kid Muscle, who is the main protagonist of the series. In the story, King Muscle represents the ideals of justice and perseverance. He is a member of the Kinnikuman universe, which features a variety of unique wrestling characters. His adventures often involve comedic elements, showcasing the importance of friendship and teamwork in overcoming challenges.