Question: What is Wayne Douglas Gretzky's nickname and  how many National Hockey League records does he hold?

<P0-S0>  He is best known in the world of hockey as a former agent representing sports icon Wayne Gretzky for two decades. <P0-S1>  He was listed among the "100 Most Powerful People In Sports" by "The Sporting News" on six occasions from 1994 to 2000. <P0-S2>  During his 12 years as President of International Management Group's hockey division, Barnett represented a who's who of the National Hockey League. <P0-S3> Michael G. Barnett (born October 9, 1948 in Olds, Alberta) is a Canadian ice hockey executive currently serving as Senior Advisor to the President-General Manager of the New York Rangers. <P0-S4>  Barnett negotiated the playing and marketing contracts for Wayne Gretzky, Brett Hull, Jaromir Jagr, Sergei Fedorov, Paul Coffey, Joe Thornton, Mats Sundin, Lanny McDonald, Grant Fuhr, Marty McSorley, Alexander Mogilny, Owen Nolan, Daniel Sedin and Henrik Sedin and numerous others. <P0-S5>  Whatever the form of contract, Barnett's creativity was legendary. <P0-S6>  His ingenuity in finding language that challenged the NHL's Collective Bargaining Agreement, in finding products and companies for his clients that were groundbreaking in their launches, and his perpetual attention to the public relations of his clients, were all hallmark's of his career in athlete representation. <P0-S7>  Following his two-decades as one of the most highly regarded agents in all of sports, Barnett went on to become the General Manager of the Phoenix Coyotes in the National Hockey League. <SEP> <P1-S0> Wayne Douglas Gretzky {'1': ", '2': ", '3': ", '4': "} ( ; born January 26, 1961) is a Canadian former professional ice hockey player and former head coach. <P1-S1>  He played twenty seasons in the National Hockey League (NHL) for four teams from 1979 to 1999. <P1-S2>  He is the leading scorer in NHL history, with more goals and assists than any other player. <P1-S3>  He garnered more assists than any other player scored total points, and is the only NHL player to total over 200 points in one season – a feat he accomplished four times. <P1-S4>  Nicknamed "The Great One", he has been called "the greatest hockey player ever" by many sportswriters, players, and the league itself. <P1-S5>  In addition, he tallied over 100 points in 16 professional seasons, 14 of them consecutive. <P1-S6>  At the time of his retirement in 1999, he held 61 NHL records: 40 regular-season records, 15 playoff records, and six All-Star records. <P1-S7>  As of 2015, he still holds 60 NHL records. <SEP> <P2-S0> Gordon "Gordie" Howe, OC (March 31, 1928 – June 10, 2016) was a Canadian professional ice hockey player. <P2-S1>  From 1946 to 1980, he played twenty-six seasons in the National Hockey League (NHL) and six seasons in the World Hockey Association (WHA); his first 25 seasons were spent with the Detroit Red Wings. <P2-S2>  Nicknamed "Mr. Hockey", Howe is considered the most complete player to ever play the game and one of the greatest ice hockey players of all time. <P2-S3>  A 23-time NHL All-Star, he held many of the sport's career scoring records until they were broken in the 1980s by Wayne Gretzky, who himself has been a major champion of Howe's legacy. <P2-S4>  He continues to hold NHL records for most games and seasons played. <P2-S5>  In 2017, Howe was named one of the "100 Greatest NHL Players". <SEP> <P3-S0> This is a list of career achievements by Wayne Gretzky in the National Hockey League. <P3-S1>  Upon his retirement on 18 April 1999, Gretzky held or shared 61 National Hockey League records. <P3-S2>  These records include 40 regular season, 15 playoff, and six All-star records.