Why is the first Ultraman called SR?

Because it was the first Ultraman filmed by Tsuburaya Company, it was named the first generation, which represents the original meaning.

The first generation Ultraman was called Ultraman.

Ultraman (ウルトラマン), also known as "The First Ultraman", is a giant transformation hero in the Japanese Ultraman series (ウルトラマンシリーズ).

He is a giant of light from the M78 nebula, who came to Earth to hunt down the escaped space monster Bermura. While chasing Bermuda over Lake Longsen, he accidentally collided with the plane of scientific search team member Susumu Hayata, causing him to crash and die.

In order to make up for his mistakes and save Hayata's life, he gave his life to Hayata and merged with him to revive him. Afterwards, Ultraman and Hayata fought fiercely against many ferocious monsters and evil aliens to protect the earth.

Ultraman's works:

2006 "Ultraman Mebius & Ultra Brothers" Ultraman's 40th anniversary theatrical version, Mebius The six Ultra brothers appear one by one.

The 2007 “Ultraman Seven

2008 "The Final Battle!" Super Ultra 8 Brothers! 》 Tsuburaya Company's breakthrough film combines the three Ultra Brothers and Heisei brothers (Tiga, Dyna, and Gaia).

In 2009, "Big Monster Fighting Super Galaxy Legend THE MOVIE" was funded and cooperated by the American Warner Company. In addition to some well-known Ultraman from M78 Nebula, there are also many new Ultraman, and Dyna also traveled through time. Time and space appear. More than a hundred monsters, the evil Ultraman Belial, and Ultraman Zero, the son of Seven, will appear in this theatrical version.