Jón Gnarr, Icelandic actor and politician; 20th Mayor of Reykjavik City

Jón Gnarr (Icelandic pronunciation: ​[ˈjouːn ˈknarː]; born 2 January 1967) is an Icelandic actor, comedian, and politician who served as the Mayor of Reykjavík from 2010 to 2014.Born Jón Gunnar Kristinsson, Jón legally changed his middle name in 2005 to the way his mother pronounced it when he was a boy. He prefers to be addressed as Jón Gnarr as he does not wish to carry his father's name. Under national law overseen by the Icelandic Naming Committee, he had not been allowed to legally drop "Kristinsson" from his name as seen on his passport until 2015. Gnarr was only recognized as a surname by the courts in 2018.Gnarr was a well-known comedian and actor starting in the 1990s, including teaming with Sigurjón Kjartansson as the duo Tvíhöfði on radio and television. In 2009, he formed the Best Party, a political party that began as political satire but quickly turned into a real political player due to its electoral successes, which were perceived to be a reaction to the 2008–2011 Icelandic financial crisis.