Subject: That one, at least, is dead.
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Posted on: 2015-05-21 13:26:00 UTC
Finrod killed him to protect Beren, remember? And then the Lady Luthien dropped a castle on his corpse. He's very dead.
It's fairly clear that a bunch of Melkor's abominations are long-lived. Draugluin, 'Father of Werewolves', is around in the late 460s, but it's hard to imagine werewolves don't date back to the very early days of the War. Dragons and balrogs are both immortal-in-the-Elvish-mode. Vampires... well, again, it's hard to say.
But look at it this way: Sauron was able to make a Ring that accidentally makes its wearer immortal. That suggests that the immortality comes from contact with the chunk of Sauron's power that he put in it. And, as we know, 'the whole of Middle-earth was Morgoth's ring' - he put bits of himself everywhere. So werewolves, vampires, even orcs are probably all un-ageing.
(Though orcs would be anyway, being mutant elves.)
hS