Fingolfin chopped of Morgoth's foot, and Beren half-inched a Silmarilion (with Luthien's help). But Sauron was floored by a human of much lesser whatsit than Beren, so Morgoth is still the daddy - it took all the gods
and all the elves and men to take him out (by all jumping on him at once at making the world's biggets bundle

)
*is sensible and never lends books to Styxx*
[EDIT] Who says Middle-earth is imaginary? Tolkien always said he was merely translating it from the old Saxon, which in turn was translated from the Elvish. Seems that a chap called Elfwine was sailing on the Atlantic and accidentaly found the Straigh Path in to the vanished West, and met the Elves of Tol Eressëa - they told him the lays of Middle-earth and Valinor, and when he returned he wrote then down.
Possibly, though, Tolkien made that up.