Donald Callis (born October 13, 1963) is a Canadian professional wrestling executive, color commentator, and retired professional wrestler. He is the current co-executive vice president of Impact Wrestling. A former wrestler and manager, Callis spent the majority of his career performing as either Cyrus (shortened from Cyrus the Virus) or Don Callis. He first gained international attention working under the name The Jackyl for the World Wrestling Federation (WWF). He is most recently known for his work with New Japan Pro-Wrestling (NJPW) where he served as an English language commentator on NJPW World.