Russian duo ruffle feathers with prank calls Two Russian "pranksters" whose trick phone calls have fooled everyone from Turkish President Tayyip Erdogan to Elton John grab headlines with their stunts. The duo, 30-year-old Vladimir "Vovan" Kuznetsov and 28-year-old Alexei "Lexus" Stolyarov, regularly pull off high-profile pranks that sharply expose the follies of their targets -- but focus on Kremlin foes. This prompts many opposition supporters to suggest they are working on the orders of the Kremlin or the FSB security services, which they deny. IMAGES AND SOUNDBITES.