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
Frank Rosenthal Spilotro, on which the character Nicky Santoro (played by Joe Pesci) is based. Rosenthal is represented by the character Sam "Ace" Rothstein (played by Robert De Niro). The character of Ginger McKenna Rothstein, his wife in the film (played by Sharon Stone), is based on Geri McGee, Rosenthal's wife in real life. In an interview about the movie, Rosenthal stated that his character portrayed by Robert De Niro was quite but not fully similar to him, namely "7 on a scale of 1 to 10", and that he would neither "dispute" nor "confirm" whether Sharon Stone accurately portrayed his wife