The term 'WAYNE'S WORLD CO-STAR' is referring to two actors, Dana CARVEY and Mike Myers. Dana CARVEY is an American actor, comedian, writer, and producer who is best known for his work on Saturday Night Live and his role as Garth Algar in the 1992 comedy film Wayne's World. Mike Myers is a Canadian actor, comedian, screenwriter, and film producer who is best known for his roles in the Austin Powers film series and his portrayal of Wayne Campbell in Wayne's World.