WWF World Martial Arts Heavyweight Championship

The Greatest 18 Club Championship was a championship created and promoted by New Japan Pro-Wrestling.

The IWGP Heavyweight Championship was a professional wrestling world heavyweight championship owned by the New Japan Pro-Wrestling (NJPW) promotion. "IWGP" is the acronym of NJPW's governing body, the International Wrestling Grand Prix . The title was introduced on June 12, 1987, in the final of an IWGP tournament. It was unified with the IWGP Intercontinental Championship on March 4, 2021 to form the new IWGP World Heavyweight Championship.

Mitsuo Yoshida , better known by his ring name Riki Choshu , is a South Korean-Japanese retired professional wrestler who is best known for his longtime work in New Japan Pro-Wrestling (NJPW) as both a wrestler and a booker. He is considered one of Japan’s most influential wrestlers for his work in the 1980s and 1990s and is known as the first wrestler to popularize the Sasori-Gatame, better known in English as the Scorpion Deathlock or Sharpshooter. After leaving NJPW in 2002, he formed Fighting World of Japan Pro Wrestling (WJ), but eventually returned to New Japan in October 2005 as a site foreman, booker and part-time wrestler. Choshu once again left NJPW in 2010 and primarily worked in Tatsumi Fujinami’s Dradition, as well as his own self-produced Power Hall events as a freelancer. Choshu was a second generation Zainichi Korean until his naturalization in 2016.

Muhammad Hussain Inoki was a Japanese professional wrestler, martial artist, politician, and promoter of professional wrestling and mixed martial arts. He was best known by the ring name Antonio Inoki , a homage to fellow professional wrestler Antonino Rocca. Inoki was a twelve-time professional wrestling world champion, notably being the first IWGP Heavyweight Champion and the first Asian WWF Heavyweight Champion – a reign not officially recognized by WWE.

Vincent James McMahon, sometimes referred to as Vince McMahon Sr., was an American professional wrestling promoter. He is best known for running the Capitol Wrestling Corporation, which was later renamed WWWF and WWF during his tenure and is currently called WWE, from 1953 to 1982, as well as for being the father of his successor, Vincent K. McMahon.

Shota Samsonovich Chochishvili was a Georgian professional wrestler and judoka.

Battle Satellite in Tokyo Dome was a major professional wrestling event produced by New Japan Pro-Wrestling (NJPW). The event took place on April 24, 1989 at the Tokyo Dome in Tokyo, Japan. It was the first major professional wrestling event held in the Tokyo Dome, with wrestlers from the United States, Japan, and the Soviet Union.

Tokyo, officially the Tokyo Metropolis, is the capital and most populous city of Japan. Formerly known as Edo, its metropolitan area is the most populous in the world, with an estimated 37.468 million residents as of 2018; the city proper has a population of 13.99 million people. Located at the head of Tokyo Bay, the prefecture forms part of the Kantō region on the central coast of Honshu, Japan's largest island. Tokyo serves as Japan's economic center and is the seat of both the Japanese government and the Emperor of Japan.

Japan is an island country in East Asia. It is situated in the northwest Pacific Ocean and is bordered on the west by the Sea of Japan, extending from the Sea of Okhotsk in the north toward the East China Sea, Philippine Sea, and Taiwan in the south. Japan is a part of the Ring of Fire, and spans an archipelago of 14,125 islands, with the five main islands being Hokkaido, Honshu, Shikoku, Kyushu, and Okinawa. Tokyo is the nation's capital and largest city, followed by Yokohama, Osaka, Nagoya, Sapporo, Fukuoka, Kobe, and Kyoto.

A knockout is a fight-ending, winning criterion in several full-contact combat sports, such as boxing, kickboxing, muay thai, mixed martial arts, karate, some forms of taekwondo and other sports involving striking, as well as fighting-based video games. A full knockout is considered any legal strike or combination thereof that renders an opponent unable to continue fighting.