Isak Bjerknes (July 6, 1985 – October 10, 2007) was a Norwegian professional wrestler known by the ring name Isak Rain. Bjerknes wrestled for four years from May 2004 until September of 2007, only a month prior to his death. Rain was best known for his work in the Norwegian circuit, especially for the Norwegian Wrestling Federation where he became a two-time NWF Tag Team Champion. Bjerknes also wrestled for the World Association Of Wrestling, Fight Club Finland and Italian Championship Wrestling.