Citations:mononymic

Adjective: "having or known by a single name"

 * 2000 — John Cassidy, "They Are The World", New Yorker, 9 October 2000:
 * Helms, whose enthusiasm for mononymic rock stars has hitherto passed unremarked, was so overcome by Bono's presentation that tears ran down his cheeks,
 * 2002 — Jan Freeman, "Call him Saddam", Boston Globe, 17 November 2002:
 * A few newspapers use courtesy titles - Mr. Black, Mr. Hussein - except when they're stymied by a mononymic celeb like Cher or Eminem.
 * 2004 — Web Behrens, "'LOTR' symphony sets Elvish to music", Chicago Tribune, 3 October 2004:
 * The exception is Sissel, the mononymic Scandinavian blessed with an incandescent soprano.
 * 2007 — Andy Gill, "Album: Nico", The Independent, 16 February 2007:
 * Like Yoko, Nico was a mononymic alien blessed with a Marmite voice and an avant-garde aesthetic.
 * 2011 — Adrienne Papp, "The Definition of a Modern Knight: Our Most Famous Westsider, Sir Dr. Zein Obagi", Westside Today, 3 December 2011:
 * In America our fascination with knighthood can be seen in colloquial titles bestowed upon celebrities like Elvis, the King of Rock ‘n’ Roll, Michael Jackson, and the naming of mononymic star, Prince, although not in an official and REAL ROYAL WAY!