Mistaken Identity and Imposture

The plot revolves around Psmith impersonating the poet Ralston McTodd, leading to a series of comedic misunderstandings, secret schemes, and near-exposures that drive the narrative.

Psmith's deliberate alteration of his name from Smith to Psmith introduces a theme of identity manipulation and self-reinvention.

Psmith repeatedly mistakes Eve for Miss Clarkson and later jokingly calls himself Mr. Walderwick, highlighting the theme of mistaken identity.

Lord Emsworth mistakes Psmith for the poet Ralston McTodd, leading Psmith to accept an invitation to Blandings Castle under false pretenses.

Psmith is mistaken for an old friend by a jovial man, and later misidentifies several people as the letter writer.