just bringing it to the top...
Alive without breath,
As cold as death,
Never thirsting ever drinking,
Clad in mail never clinking,
thinks an island is a mountain,
Thinks a fountain-
Is a puff of air,
So sleek! So fair!
for what more could I wish?
ah, baggins guesssssed it long ago precioussss... Gollum... Now for what do we wish?
rather crude memory of the full version of that riddle (almost answer)