I believe it transforms into Jacob Marley as a sign of whats to come.
The face of Jacob Marley appears in Scrooge's door knocker in "A Christmas Carol." Marley, Scrooge's former business partner, serves as a warning to Scrooge about the consequences of his life choices.
Jacob Marley's face appears in the door knocker.
The face of Jacob Marley
In "A Christmas Carol" by Charles Dickens, the knocker plays a significant role in the story's supernatural elements. The knocker takes on a ghostly form, first transforming into the face of Jacob Marley and then into a gruesome specter. This reflects the themes of haunting and redemption present throughout the novella.
a ghostly vision of Jacob Marley
His nephew
Ebenezer Scrooges
Fred
fezziwig
He was Scrooges clerk
Bah, Humbug!
He was a trader and money lender
Scrooges house keeper
Her name was Fan
he is scrooges nephew. he loves Christmas but his uncle hates it.