Massey Whiteknife is a Canadian producer, businessman, and entertainer. He is known both under his own name as CEO of the ICEIS Group of Companies, an occupational safety and health and sustainable development consulting firm in the Athabasca oil sands region of Alberta, and as ICEIS Rain, a drag queen and pop singer. With few conventional gay social venues in Fort McMurray, Whiteknife began going out to karaoke bars to perform as ICEIS Rain. He produced the 2013 documentary film Oil Sands Karaoke, and is depicted on the film's promotional poster. He also produced the film God's Acre in 2016.