Wladimir Klitschko world heavyweight champion) dominated heavyweight boxing, a period typically known as the "Klitschko Era" of the division. Klitschko was born in Semipalatinsk (now Semey), Kazakh SSR, Soviet Union (now Kazakhstan). His father, Vladimir Rodionovich Klichko (1947–2011), was a Soviet Air Force major general and a military attaché of Ukraine in Germany; he was also one of the commanders in charge of cleaning up the effects of the Chernobyl disaster in 1986 and was afterward diagnosed with cancer. Wladimir's mother is Nadezhda Ulyanovna. He is the younger brother of former WBC, WBO and Ring magazine heavyweight champion Vitali Klitschko, the current
Vitali Klitschko Heavyweight Champions in history. Despite having a four-year hiatus from the sport, Vitali has proven to be a remarkably effective and dominant Heavyweight Champion once again. Alongside his brother Wladimir, he also fights on for their shared ambition of holding all four Heavyweight Championship belts together, an ambition that was realised on 2 July 2011 when brother Wladimir defeated David Haye to win the WBA Heavyweight Championship. In January 2012, he was awarded WBC Fighter of the Year for 2011. Klitschko was in negotiations for a possible bout with former WBA Heavyweight title holder David Haye on 3 March 2012.