Question: Donald Corren created a role of a character best known as what? 
Context: Donald Corren is an American Broadway and film actor and screenwriter.  He created the role of Cosmé McMoon opposite Judy Kaye's Florence Foster Jenkins in the 2005 Broadway production of "Souvenir".  He also starred on Broadway in "Torch Song Trilogy", for which he received awards from both the Los Angeles and San Francisco Drama Critics Circle while on tour.  He appeared Off Broadway in "The Last Sunday in June", "Saturday Night", and "Tom Foolery".  He played the recurring part of Medill for nine seasons on NBC's "Law & Order" and has also appeared on "Rescue Me", "", and "".  Corren has also written for TV and corporate clients, including Martha Stewart's early weekly television shows and the 2002 Winter Olympics in Salt Lake City, Utah.  Corren received his education at Juilliard. Donald Richards (March 24, 1919 - September 26, 1953) was an American singer and actor.He is best known in his short career for having created the role of Woody Mahoney in Finian's Rainbow . Donald George Calfa (December 3, 1939 – December 1, 2016) was an American film and television character actor whose credits spanned over 40 years, playing both comedic and dramatic roles.  Although Calfa has appeared in many high-profile films and television series, he was perhaps best known for his role as mortician Ernie Kaltenbrunner in the 1985 cult horror-comedy "The Return of the Living Dead", and the bumbling hitman in "Weekend at Bernie's". Ted Bessell (born Howard Weston Bessell, Jr.; March 20, 1935 – October 6, 1996) was an American television actor and director.  He is best known for his role as Donald Hollinger, the boyfriend and eventual fiancé of Marlo Thomas's character in the TV series "That Girl" (1966–71). Don Terry (born Donald Prescott Loker, 8 August 1902 – 6 October 1988) was an American film actor, best known for his lead appearances in B films and serials in the 1930s and early 1940s.  His best known role is probably playing the recurring character of Naval Commander Don Winslow in Universal Pictures serials of the early 1940s, including "Don Winslow of the Navy" (1942) and "Don Winslow of the Coast Guard" (1943). Christopher Scott "Chris" Northrop is an American actor known for portrayals of offbeat, eccentric characters such as Emo in and euro-chic fashion magazine staffer Sven (credited as Blonde Male Modie) on ABC's hit TV show "Ugly Betty".  Throughout the third season of the series "Northrop" regularly appeared as Sven—a character best known for his relationship with fellow MODE staffer Amanda Tanen, played by Becki Newton, which originally surfaced in episode #316 titled Things Fall Apart (Ugly Betty). Simon Jones (born 27 July 1950) is an English actor.  He is best known for his multiple portrayals of Arthur Dent, protagonist of Douglas Adams' 1979 novel "The Hitchhiker's Guide to the Galaxy".  Jones first portrayed the character on radio in 1978 and again on television in 1981.  Jones also featured in the film "The Hitchhiker's Guide to the Galaxy" (2005) in a cameo role.  He is also known for his portrayal of Donald Shellhammer in "Miracle on 34th Street" (1994), and for his multiple appearances on the Broadway stage. Cosmé McMoon (born Cosmé McMunn; February 22, 1901 – August 22, 1980) was a Mexican-American pianist and composer, best known as the accompanist to notably tone-deaf soprano Florence Foster Jenkins. Robert Townsend (born February 6, 1957) is an American actor, comedian, film director, and writer.  Townsend is best known for directing the films "Hollywood Shuffle" (1987), "Eddie Murphy Raw" (1987), "The Meteor Man" (1993), and various other films and stand-up specials, especially his eponymous self-titled character as the starring role as Robert Peterson on The WB sitcom "The Parent 'Hood" (1995–1999), in which he created the series, as well as directing episodes and Donald "Duck" Matthews in 1991's "The Five Heartbeats".  Townsend's career included stand-up comedy routines which appeared on cable television.  During the 1980s and early–1990s, Townsend gained national exposure through his many appearances on "The Tonight Show Starring Johnny Carson".  Townsend has worked with Halle Berry, Morgan Freeman, Chris Tucker, Beyoncé and Denzel Washington. Jožin z bažin (originally 1977) is a song by Czech musician and comedian Ivan Mládek, and is among his best known songs.  He even called it the "National Anthem" of his TV show "Countryshow".  In January 2008, the song became popular in Poland, winning several radio hitlists.  It is also popular in Hungary, Austria and Russia, sporting a cult following on blogs, and several versions of various translations.  The song is a surreal tale of a mysterious man-eating monster living in the swamps (Jožin z bažin, Joey from the swamps).  In the song, the monster is eventually defeated with the use of a cropduster.  A Polish cabaret called Kabaret pod Wyrwigroszem created a parody of "Jožin z bažin", entitled "Donald marzy" ('Donald dreams'), about the Polish prime minister, Donald Tusk.  The Russian band "Мурзилки International", made a Russian parody under the title "Путин едет в Пикалёво" ("Putin goes to Pikalyovo"), about Russia's former prime minister and current president, Vladimir Putin.  There is a Serbian version of the song: "Medo Brundo" - Brundo the Bear.  There are also several parodies of the song in Lithuanian, which are mainly about the country's most nefarious politicians and about the unpopular prime minister Andrius Kubilius.  The Ivan Mládek Banjo Band created a Polish version of "Jožin z bažin".  The nearest equivalent musical style in English is that of the Wurzels.
Answer: accompanist