Question: The wife of three-time Olympic gold medalist and world 100 m and 200 m record holder was also known by which nickname?

Context articles: Sun Yang
Jeff Float
Yannick Agnel
Florence Griffith Joyner
Kerri Walsh Jennings
Barbara Krause
John Anderson (TV personality)
James Tomkins (rower)
Al Joyner
Ryan Murphy (swimmer)

Sun Yang (; ; born 1 December 1991) is a Chinese Olympic and world-record-holding competitive swimmer.
 In 2012, he became the first Chinese man to win an Olympic gold medal in swimming.
 Sun is the first male swimmer in history to earn Olympic and World Championship gold medals at every freestyle distance from 200 metres to 1500 metres.
 A three-time Olympic gold medalist and nine-time world champion, he is also the most decorated Chinese swimmer in history.
 "NBC Sports" described Sun as "very arguably the greatest freestyle swimmer of all time."
Jeffrey James Float is a former American competitive swimmer, World Record holder, World Champion and Olympic Gold Medalist.
 He qualified for the 1980 U.S. Olympic Swimming Team in three individual events, but could not participate when the United States boycotted the Moscow 1980 Summer Olympic Games.
 Four years later, he competed at the 1984 Summer Olympics in Los Angeles.
 As the peer-elected Team Captain, Jeff earned a Gold Medal in the men's 4×200-meter freestyle relay, and finished fourth in the individual 200-meter freestyle event.
 That Gold Medal 4x200-meter freestyle is now considered the third greatest relay of all time.
Yannick Agnel (born 9 June 1992) is a French former competitive swimmer who specializes in freestyle events, and is a three-time Olympic medalist.
 In his Olympic debut at the 2012 Summer Olympics in London, he won gold in the 200-meter freestyle, gold in the 4×100-meter freestyle relay, and silver in the 4×200-meter freestyle relay.
 He is the current world record holder in the 400-meter freestyle (short course), the European record holder in the 800-meter freestyle (short course), and the national record holder in the 200- and 400-meter freestyle (long course).
Florence Delorez Griffith Joyner (December 21, 1959 – September 21, 1998), also known as Flo-Jo, was an American track and field athlete.
 She is considered the fastest woman of all time based on the fact that the world records she set in 1988 for both the 100 m and 200 m still stand.
 During the late 1980s she became a popular figure in international track and field because of her record-setting performances and flashy personal style.
Kerri Lee Walsh Jennings (born August 15, 1978) is an American professional beach volleyball player, three-time Olympic gold medalist, and a one-time Olympic bronze medalist.
 She is the beach volleyball career leader in both career victories and career wins as of 2016, with 133 victories and $2,542,635 in winnings.
Barbara Krause (born 7 July 1959 in East Berlin) is a former freestyle swimmer from East Germany.
 Krause was a three-time Olympic gold medalist and eight-time world record holder.
 At the 1980 Summer Olympics in Moscow, Krause won gold medals in the 100 m and 200 m freestyle and in the 4×100 m freestyle relay.
John Anderson (born 28 November 1931 in Glasgow, Scotland) is a Scottish television personality best known as referee and official trainer on the UK television show "Gladiators".
 He has previously worked as a teacher and as a coach for Commonwealth Games and Olympic Games athletes, including Commonwealth Games champion and former World Record Holder Dave Moorcroft, three-time Olympic heptathlete Judy Simpson (née Livermore, known as Nightshade on Gladiators), double Olympian Sheila Carey, 2:09 marathoner John Graham, Liz McColgan - who won silver at the 1988 Olympic Games in Seoul, Glasgow's Lynne MacDougall - who ran in the Olympic 1500m Final in Los Angeles 1984, 1972 Olympic silver medalist (4 × 400 m) David Jenkins, and David Wilson - who took part in the 1972 Olympics as a sprint hurdler.
James Bruce Tomkins, OAM (born 19 August 1965) is an Australian rower, seven-time World Champion and a three-time Olympic gold medalist.
 He is Australia's most awarded oarsman, having made appearances at six Olympic games (for three gold and one bronze medal); eleven World Championships (for seven world titles including one in each of the five sweep oar events); four Rowing World Cups (for two titles) and eighteen state representative King's Cup appearances - the Australian blue riband men's VIII event, (for fifteen victories, ten as stroke).
 Tomkins is one of only five Australian athletes and four rowers worldwide to compete at six Olympics.
Alfrederick "Al" Joyner (born January 19, 1960) is an American former athlete and now coach.
 He was born in East St. Louis, Illinois.
 He is the 1984 Olympic gold medalist in the triple jump.
 He was also the husband of three-time Olympic gold medalist and world 100 m and 200 m record holder Florence Griffith Joyner and is the brother of three-time Olympic gold medalist and world heptathlon record holder Jackie Joyner-Kersee.
Ryan Murphy (born July 2, 1995) is an American competitive swimmer who specializes in backstroke.
 He is a three-time Olympic gold medalist and world-record holder in the men's 100-meter backstroke (long course).