sentences:  Much of his work in the late 1960s, such as "Mountain Bowling" (1969) and "Hold an Apple in Your Armpit" (1970), are similar to the work of Happenings founder Allan Kaprow, with whom McCarthy had a professional relationship.McCarthy's works include performance, installation, film and "painting as action".His points of reference are rooted, on the one hand, in things typically American, such as Disneyland, B-Movies, Soap Operas and Comics – he is a critical analyst of the mass media and consumer-driven American society and its hypocrisy, double standards and repression.