Klitschko brothers 5 months & 13 days. Vitali retained the WBC Heavyweight Championship until 15 December 2013, relinquishing his belt in pursuit of his political aspirations in his native Ukraine. The Klitschko brothers jointly run the professional boxing promotion companies ""K2 Promotions"" and ""K2 East Promotions"", as well as the ""Klitschko Brothers Fund"", a charity organization. They appear together on German TV shows and commercials, have a website shared between them, and support each other's training and fights. After Vitali's retirement, Wladimir continued to reign as champion & successfully defend all remaining title belts except for the WBC belt. He eventually lost
Vitali Klitschko Christian Democratic Union of Germany in November 2011. UDAR is supported by the German government and the Konrad Adenauer Foundation and received support in particular from Angela Merkel and also politicians from the conservative European People's Party. According to information gained by the German magazine "Der Spiegel", the target was to "set up Klitschko purposefully as a new strong man in Kiev – in order to counter this way the Kremlin's growing influence". Support consisted in logistics, training and joint performances. Assistance was also promised by Christoph Heusgen, Ronald Pofalla and Guido Westerwelle. In October 2011, Klitschko announced that he