They should make a Christmas song regarding a child’s inquiry into who brings Santa Claus presents.
Why his parents, of course!
Then the song physically describes these parents. They are thin, near-mummified beings that slink into the house by using their tongues to widen the cracks in the doors and windows. Perhaps it’s a bit too graphic and downright morbid a description of how advanced aging can ravage a body, but hey! You’re the one that asked!