Rick John Roufus is a retired American kickboxer. He is one of the most famous kickboxers in America, and has also competed professionally in boxing and mixed martial arts. An accomplished professional fighter throughout his competitive career, Roufus has won multiple world championships across the globe in several weight classes, he was world champion as a super middle weight, light heavyweight and heavyweight. Roufus held titles for all the major kickboxing associations worldwide, and is known for his boxing skills and powerful kicks. He is the older brother of Duke Roufus who is also a kickboxer and a Muay Thai and mixed martial arts instructor. Rick Roufus is the Global Director of Fighter Development for PKA Worldwide.
Heavyweight is a weight class in combat sports and professional wrestling.
Jeffrey Ryan "Duke" Roufus is an American former kickboxer and head coach of the Roufusport based in Milwaukee, Wisconsin, United States. He is a well-known striking coach in North America.
Cruiserweight, also referred to as junior heavyweight, is a weight class in professional boxing between light heavyweight and heavyweight. Before the advent of the current cruiserweight class, "light heavyweight" and "cruiserweight" were sometimes used interchangeably in the United Kingdom.
Dennis Raymond Alexio is an American former professional kickboxer and actor who competed in the light heavyweight, cruiserweight and heavyweight divisions. Starting out as a light heavyweight, Alexio kicked off his career with an extensive, knockout-laden undefeated streak before losing a decision to Don "The Dragon" Wilson in a World Kickboxing Association (WKA) World Super Light Heavyweight Full Contact Championship match in 1984. He rebounded from this by winning the Professional Karate Association (PKA) World Light Heavyweight title that same year before moving up to cruiserweight and taking the International Sport Karate Association (ISKA) World Cruiserweight Full Contact strap. In the late 1980s, he began his transition to the heavyweight division where he won six world titles and was considered the undisputed World Heavyweight Champion. He faced the two toughest tests of his career in 1992 against Branko Cikatić and Stan Longinidis - both of whom were heavier fighters - fighting to a controversial draw with Cikatić and losing to Longinidis via an early low kick KO which resulted in a broken leg.
Donald Glen Wilson, nicknamed "The Dragon", is an American martial artist, film actor, and former professional kickboxer. An 11-time world champion who scored 47 knockouts in four decades, he has been called by the STAR System Ratings as "perhaps the greatest kickboxer in American history. He has disposed of more quality competition than anyone we've ever ranked".
Stan "The Man" Longinidis is an Australian retired heavyweight kickboxer and 8-time world kickboxing champion. Born in Melbourne of Greek ethnicity, Longinidis is one of the few fighters to win world titles in four different styles of kickboxing competition: international rules, Oriental rules, full contact and Muay Thai. He holds notable victories over Branko Cikatić, Adam Watt, Peter Graham, Musashi and Dennis Alexio.
Ole 'Iron Fist' Laursen is a Filipino-born Danish Welterweight Muay Thai kickboxer and mixed martial artist, he competed in K-1 and in ONE Championship.
Jason "Psycho" Suttie is a Samoan-born New Zealand former heavyweight kickboxer and 6 time Muay Thai World champion fighting out of Elite Thai Kickboxing Gym in Auckland, New Zealand.
Wayne "Homeboy" Turner, alternatively spelt Waine, is a Birmingham based Kickboxer from Handsworth. He is a former I.S.K.A. World Cruiserweight Kickboxing Champion who has fought for a number of promotions including K-1 over a lengthy career.
Freddy Kemayo is a French heavyweight kickboxer. He is a three-time French Kickboxing Champion.
Ondřej Hutník is a retired Czech Muay Thai kickboxer. He is a former SUPERKOMBAT Super Cruiserweight Championship title challenger.
Richard P. "Rick" Cheek is an American kickboxer and mixed martial artist who competes in the heavyweight division. A North American Muay Thai champion as an amateur, Cheek turned professional in 2005 and debuted in K-1 the same year. He holds notable wins over WSOF standout Dave Huckaba in MMA, 2001 K-1 Japan Grand Prix Champion Nicholas Pettas and multiple time world kickboxing champion Mike Sheppard.
Dmitry "Shok" Shakuta is a Belarusian Muay Thai super middleweight kickboxer fighting out of Minsk, Belarus for the SK-55 gym. He is an eight-time amateur and professional world champion who is most well known for being the It's Showtime 77MAX world champion between 2008 and 2009.
Manuel Quezada is an American professional boxer and former kickboxer. In boxing he fights at heavyweight, while in kickboxing he fought at both heavyweight and super heavyweight.
Manson Howard Gibson is a retired American kickboxer and a 12-time world champion in kickboxing and Muay Thai. He was known for his vicious use of spinning techniques and wild, unpredictable style, mixing elements of kickboxing, Taekwondo and Northern Praying Mantis martial arts. He was sometimes referred to as the "Thai Killer" or the "Black Bruce Lee". Gibson was one of America's greatest kickboxers, and is credited with over 100 wins and more than 80 KOs, including around 40 via headkick.
Marek Piotrowski vs. Don "The Dragon" Wilson was a light heavyweight kickboxing bout that took place in Chicago, Illinois, USA on November 4, 1989, in which heavy favourite Wilson lost in a surprise upset.
Stephen Thompson is an American professional mixed martial artist, karateka and model. Thompson currently competes in the Welterweight division for the Ultimate Fighting Championship (UFC). He is a former full-contact kickboxer and was undefeated through 37 amateur and 20 professional kickboxing matches. Thompson is regarded as one of the most accomplished strikers in the UFC. As of March 7, 2023, he is #7 in the UFC welterweight rankings.
Denis Alexandrovich Grachev is a Russian boxer, kickboxer, and mixed martial artist residing in the United States. Grachev was the IKF Muay Thai world light cruiserweight champion.
Dewey Cooper is an American former kickboxer and boxer who competed in the cruiserweight and heavyweight divisions. After becoming a two-time world champion in 2000 by taking the WKC heavyweight and WKF cruiserweight titles, he would go on to become a regular competitor in the K-1 promotion's US events. He came close to winning a K-1 Grand Prix Tournament when he defeated Nobu Hayashi and Samoan power puncher Mighty Mo, but lost out to Michael McDonald in the final of the K-1 World Grand Prix 2004 in Las Vegas I all in the same night.
Trinidadian and Tobagonian 
American 
