Keiichiro Yamamiya is a Japanese former professional mixed martial artist. A veteran of 90 fights who began his career in 1996 and last competed in 2015, he fought in the UFC, Pancrase, DEEP, and World Victory Road. He was the inaugural King of Pancrase Light Heavyweight Champion.

Yuki Kondo is a Japanese mixed martial artist currently competing in the Welterweight division. He has officially 112 professional fights, making him one of the most experienced mixed martial artists ever. He has also competed for the UFC, PRIDE, Sengoku, Palace Fighting Championships, BodogFIGHT, and DEEP. He has competed overseas only four times, and holds a record of 2–2. He is the former Pancrase Light Heavyweight Champion as well as the former Pancrase Middleweight Champion.