Glorfindel was an avid taxidermist.
He had every known creature of Middle-earth in his collection. All except one.
"Frodo," he said brightly as he escorted the hobbit through his display rooms. "Let me introduce you to my friends. Now this is a horse - Asfaloth's sire, this is a baby oliphaunt, this is a warg…"
"You have an elf? A-and a man?"
"Ah, this is Nimrodel; dear lass. And here is Arathorn, Aragorn's sire."
"I-impressive."
"But you see, Frodo, I am missing a creature."
"And what is that?"
Glorfindel bent down and eagerly looked the hobbit in the eyes. "You."