Keiji Muto is a Japanese retired professional wrestler and professional wrestling executive. He is known for his work as The Great Muta in World Championship Wrestling (WCW) and New Japan Pro-Wrestling (NJPW) during the 1980s and 1990s, and from his runs in other Japanese, American, Puerto Rican, and Mexican promotions. He was the president of All Japan Pro Wrestling (AJPW) from 2002 to 2013 and representative director of Wrestle-1 (W-1) from 2013 to 2020.

Hiroshi Hase is a Japanese politician and semi-retired professional wrestler who is currently the governor of Ishikawa Prefecture. As a professional wrestler, Hase primarily worked for New Japan Pro-Wrestling (NJPW), and also for All Japan Pro Wrestling (AJPW) and Stampede Wrestling. During his affiliation with AJPW, he also served as the chairman for the Pacific Wrestling Federation (PWF), which is the governing body for all championships in the promotion. Among his numerous title wins, Hase held the WCW International World Heavyweight Championship once, making him a one-time world champion.