Who is Doorman from Wanda Hickey's Night of Golden Memories and what is their importance?

Doorman, Appears in The Return of the Wimpy Doll - The doorman to the apartment building in Manhattan where the narrator is living as an adult. He retrieves the Ed Wynn Fire Chief Hat from a little boy after the Narrator drops it out the window of his apartment. He finds the vision of the narrator with all his childhood memorabilia strangely interesting.