Waiting for Godot occasionally played tramps in their films. "The hat-passing game in "Waiting For Godot" and Lucky's inability to think without his hat on are two obvious Beckett derivations from Laurel and Hardy – a substitution of form for essence, covering for reality", wrote Gerald Mast in "The Comic Mind: Comedy and the Movies". Their "blather", which indicated Hiberno-English idioms, indicated that they are both Irish. Vladimir stands through most of the play whereas Estragon sits down numerous times and even dozes off. "Estragon is inert and Vladimir restless." Vladimir looks at the sky and muses on religious or philosophical matters. Estragon
Samuel Beckett Days" (1961). These plays—which are often considered, rightly or wrongly, to have been instrumental in the so-called "Theatre of the Absurd"—deal in a darkly humorous way with themes similar to those of the roughly contemporary existentialist thinkers. The term "Theatre of the Absurd" was coined by Martin Esslin in a book of the same name; Beckett and "Godot" were centerpieces of the book. Esslin argued these plays were the fulfilment of Albert Camus's concept of "the absurd"; this is one reason Beckett is often falsely labeled as an existentialist (this is based on the assumption that Camus was an existentialist,