These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
Fridge Logic: Borders on WMG due to the nature of the book, but on a second reading once can infer the following; Kafka's dad? Johnnie Walker. Whether he was born/created as Johnnie and hid it well, or Johnnie took over his body recently is anyone’s guess.