“And to what to my wondering eyes should appear…” was surely a creature who “look’d like a peddler just opening his pack” but that he…

“Soon gave me to know I had [something] to dread.
He spoke not a word, but went straight to his work.
And fill’d all [his] stockings…

A disguise under a disguise it is. Behind the “right jolly old elf” mask is another character who’s “chubby and plump” though not jolly, particularly old or even an elf, but an actor. And a corporation, one of many who play this role, acting as human, but actually more a reptile. Reptiles can only think about their next meal; corporations and their CEOs do likewise, but substitute for the meal the quarter’s profit and annual bonus respectively.
Don’t blame your parents for dragging you to this scary play within a play. You were born there, as were they. All they did was show you your seat and, if you were lucky, handed you the program. The lights went down and at intermission they were gone. Your choices, short of leaving as they did, were to remain in the audience or to audition for a part in the show. Such is life.

…then turn’d [as] a jerk,
And laying his finger aside of his nose
And giving a nod, up the chimney he rose”
But I don’t think you’ll hear “…him exclaim, ere he drove out of sight, ‘Happy Christmas to all, and to all a good night.’”

Quotes from “A Visit from St. Nicholas” as published anonymously in the Troy, New York Sentinel on December 23, 1823