The King of Comedy (film) character fails to differentiate between his fantasies and reality in much the same way. Scorsese sought to achieve the same with the film so that, in his words, the "fantasy is more real than reality". Rupert Pupkin has been compared to Travis Bickle in "Taxi Driver": both characters have serious issues with reality testing, that is drawing the line between outer objective and inner subjective reality. In her review, entertainment columnist Marilyn Beck approved Johnny Carson's refusal to participate in "The King of Comedy", supposedly because he feared the film could inspire psychopaths like John Hinckley. Beck considered "The King
The King of Comedy (film) chance". According to an interview with Lewis in the February 7, 1983, edition of "People" magazine, he claimed that Scorsese and De Niro employed method acting tricks, including making a slew of anti-Semitic epithets during the filming in order to "pump up Lewis's anger". Lewis described making the film as a pleasurable experience and noted that he got along well with both Scorsese and De Niro. Lewis said he was invited to collaborate on certain aspects of the script dealing with celebrity life. He suggested an ending in which Rupert Pupkin kills Jerry, but was turned down. As a result,