Panel 1:
Estragon and Custer
Custer: You've got no morality. You know who was an atheist?
Estragon: Please say Hitler.

Panel 2:
Estragon and Custer
Custer: Hitler. You're just like Hitler.
Estragon: I'm nothing like Hitler.

Panel 3:
Estragon and Custer
Estragon: For starters, I don't have a mustache.