Ultraman is a popular Japanese superhero franchise that began in 1966 with the television series "Ultraman." The story follows a giant alien hero who comes to Earth to protect humanity from various monsters and extraterrestrial threats. Ultraman is known for his ability to grow in size and use powerful energy attacks to defeat his enemies. The franchise has expanded to include numerous television series, movies, and merchandise. Each iteration often features a new Ultraman character, but they all share the common goal of defending Earth. The series has gained a significant following both in Japan and internationally, becoming a cultural icon in the realm of tokusatsu, a genre that combines live-action with special effects.