Belkin/Botkin?
After much acclaim as a poet, Pushkin apparently wanted to descend from Parnassus and publish some prose stories under a pseudonym, “Belkin,” a name which strikes me as curiously similar to “Botkin”.
I read the first of the “Tales of Belkin, ” “The history of Goriukhino,” and found a number of likenesses of Belkin to Kinbote in Pale Fire: