Radio Killer is a HaHaHa Production project released in September 2009 with single Voila. Who is Radio Killer? campaign left space for rumors and comments on the identity of the members of Radio Killer, up until the unmasking the last of them, The Real Killer – Paul Damixie. Voila was the most broadcasted song of the fall of 2009 in Romania, outlining a spectacular start for Radio Killer. Who is Radio Killer? was one of the most innovative campaigns for the release of a new music project and lasted until spring 2010, when all of the seven artists were revealed.