Alter ego

On arriving in Chicago, Graham visits a friend and finds that he also has problems identifying himself.

...

Graham: In this book you just wrote, how much of the main character is you?

Syd: Nothing, not a jot. The real me is not the main character.

Graham: But you and he both come from the same country, you’re same age, you have the same values…

Syd: So…?

Graham: Well, I just wondered if it might not be a teeny bit autobiographical?

Syd: Absolutely not. No way, Not me at all.

...