Alexey Ignashov is a Belarusian former Heavyweight kickboxer. He is a four-time Muay Thai World champion, K-1 World GP 2003 in Paris and K-1 World GP 2001 in Nagoya tournament champion. As of 2011 he is living in Auckland, New Zealand and training at Balmoral Lee Gar Gym under Lollo Heimuli.
Jérôme Philippe Le Banner is a French kickboxer, mixed martial artist, and professional wrestler. Le Banner fought for most of his career in K-1 and became known for his aggressive fighting style and knockout power. He is a 2-time K-1 World Grand Prix runner up, a 2-time K-1 Preliminary Grand Prix champion, and is a multiple time world champion in Kickboxing and Muay Thai. He holds notable victories over Ernesto Hoost (twice), Francisco Filho, Mark Hunt, Sam Greco, Mike Bernardo (twice), Peter Aerts, Rick Roufus, Remy Bonjasky, Tyrone Spong, Stefan Leko (twice), Masaaki Satake, Maurice Smith, Gary Goodridge (twice), Musashi (twice), Cyril Abidi and Choi Hong-man (twice).
Michalis "Iron Mike" Zambidis is a professional Greek kickboxer and martial artist. He is an 18-time World Champion, including former World version W5, SUPERKOMBAT and in a series of K-1 Tournaments and Grand Prix Champion. He mostly competed in the K-1 MAX where he scored mostly knockouts.
Erhan "Pitbull Attack" Deniz is a Turkish heavyweight kickboxer, who fights out of Mejiro Gym (Amsterdam) and Global Gym (Istanbul). His nickname comes from his passion on pit bull dogs.
Ondřej Hutník is a retired Czech Muay Thai kickboxer. He is a former SUPERKOMBAT Super Cruiserweight Championship title challenger.
Patrice "The Dark Ronin" Quarteron is a French heavyweight kickboxer, fighting out of Évry, Essonne. He is two time French and European Muay Thai champion and current IKF Muay Thai Super Heavyweight World champion.
Petar Majstorovic, is a Swiss karateka and kickboxer. He was a two-time World Kickboxing Network (W.K.N.) World Champion and two times K-1 preliminary tournaments champion in Croatia and Germany. He trained with Andy Hug from 1992 to 2000.
Vitali Akhramenko is a Belarusian Heavyweight kickboxer and a former World Muay Thai champion. He is trained by Andrei Gridin and is fighting out of Chinuk Gym, Minsk, Belarus. He made his K-1 debut in 2001 at K-1 Czech Grand Prix 2001 in Prague against Takeru.
Yohan Lidon is a French Muay Thai kickboxer. He is a 3-time world champion in Muay Thai and kickboxing - including being the first ever It's Showtime 73MAX world champion.
Dmitry 'Black Valet' Valent is a Belarusian Muay Thai middleweight/super middleweight kickboxer. He is the former WKN Middleweight Oriental rules and Muay thai champion, former WMC Light Heavyweight champion, two time WMC I-1 World Muaythai Grand Slam champion and two time Kunlun Fight 80kg tournament runner-up.
Grégory Tony is a French heavyweight kickboxer and professional boxer fighting out of Paris. He is a three time French kickboxing champion, three time French muaythai champion, one time French boxing champion, two time European kickboxing champion, one time Intercontinental muaythai champion and two time muaythai world champion.
Karim Bennoui, also known as "Le Chirurgien", is an Algerian Muay Thai kickboxer. He is a three-time WKN super featherweight champion. He is also a former It's Showtime -61 kg champion and ISKA -62.3 kg champion.
Arnold Oborotov is a Lithuanian kickboxer.
Vladimir Konstantinovich Mineev is a Russian Middleweight kickboxer and mixed martial artist.
Stéphane Ippo Susperregui is a French kickboxer. He is the current WKN World Oriental Rules Heavyweight and former WKA K-1 World Heavyweight champion.
Tomáš Hron is a Czech kickboxer who has fought for the K-1, It's Showtime and SUPERKOMBAT promotions. Former Kings of The Ring, WKA and WKN champion and current Kings of The Ring heavyweight world champion.
Turpal Tokaev is Russian kickboxer and actor of Chechen descent. Also known as Bahadir Sari and Theodore Sariyev, ISKA oriental kickboxing rules heavyweight world champion in 2010.
Nicolas Wamba-Barzic, is a French heavyweight boxer and former kickboxer, former WKN World Super Heavyweight Kickboxing Champion. As of 2017, he was ranked the #17 heavyweight in the world by GLORY. He is the son of Anaclet Wamba
César Córdoba is a Spanish professional kickboxer and boxer, two times WKN World Champion.
Andrey Gerasimchuk is a Belarusian Muay Thai kickboxer who competes in the heavyweight division. He is a three time Kunlun Fight Tournament winner.
Nikos Tsoukalas
George Colin
Senad Hadžić
Utley Meriana
Murat Gezerci
Nicolaj Falin
Corneliu Rus
Luca Panto
Frank Muñoz 
Igor Bugaenko 
Patrick Schmied
Yussuf Belmikdan
Tomáš Hron 