What creature is Tom Bombadil?

[Bêthberry]

Tom Bombadil is the Holy Fool of Tolkien's Legendarium.

Originally Posted by Emily Dickinson

A little Madness in the Spring
Is wholesome even for the King,
But God be with the Clown-
Who ponders this tremendous scene -
This whole Experiment of Green -
As if it were his own!

There now, I can't recall ever seeing that on any of the previous Bomba threads.