Dwain Anthony Chambers (born 5 April 1978) is a British track and field athlete who competes in sprinting events. He has won international medals at World and European level and is one of the fastest European sprinters in the history athletics. His primary event is the 100 metres, in which he has the second fastest time by a British sprinter. He is the European record holder for the 60 metres and 4×100 metres relay events with 6.42 seconds and 37.73 s respectively. He received a two-year athletics ban and a life-time Olympic ban in 2003 after testing positive for THG, a banned performance enhancing drug.

Chambers was a promising young athlete, setting a junior world record of 10.06 s in the 100 m in 1997. He was the bronze medallist in the 1999 World Championships and made his first Olympic appearance at the Sydney 2000 Games; he turned in the best 100 m performance by a European at both events. By 2001, he had become the top British sprinter, breaking the 10-second barrier twice at the Edmonton World Championships. He became the 100 m European champion and record holder in 2002, but was then banned.

Kevin Levrone (born July 16, 1965) is a former IFBB professional bodybuilder, blogger, musician, actor and health club owner.

Levrone was born to an Italian father and an African American mother on July 16, 1965 in Baltimore, Maryland, the youngest of six children. Aside from his career as a pro bodybuilder, Levrone has also worked as an actor and musician. Levrone first started training at Metro Fitness in Linthicum, Maryland. He won his first contest at 190 pounds. Over his career Levrone has earned 22 professional IFBB wins. He won the Arnold Classic two times (1994 and 1996), and came second at the Mr. Olympia competition four times over the span of a decade (1992, 1995, 2000 and 2002). He has not officially announced his retirement.

Levrone's first film as an actor was Backlash. Later films included Redline and I Am. On March 25, 2009, Levrone launched The Levrone Report, a training/fitness guru blog in which he resumes his training and provides tips and philosophies on a wide range of subjects. In May 2010, Levrone released Levrone Formula Extreme Nitric Pump Blend, a nutritional supplement.