NPPF Comm 2: Dr. Notebook

[Terrance]

  But ultimately what is the
> value of a Botkin existing at all, whether another as a layer beneath Kinbote's
> madness or as a genius creator of a fictional construct which includes
> authorship of a poem, other than, as Kaplan posits, for Nabokov to poke his own
> identity into the text.  

Isn't that what Pale Fire is about? Authors poking their identities into
the texts?