When he's unable to remember Tiny Tim's name, Present suggests "Little Larry," which actually WAS one of the names Dickens considered for the character.
In the cemetery scene, most of the faces on the tombstones are AI generated faces and picture of the crew and family who worked on the shot at Mels VFX.
Will Ferrell and Ryan Reynolds were each paid $20,000,000 for being in this movie. The payroll for the entire film topped out at $75,000,000.
People at the party are dressed like the Grinch, Buddy the Elf, Scrooge, Heat Miser from A Year Without Santa Claus, and Cousin Eddy from National Lampoon's Christmas Vacation.
The name of the hotel in the movie is "The Copperfield." It was named for David Copperfield, another story written by Charles Dickens.