What was the origin of the Orcs?
A fundamental concept for Tolkien (and the other Inklings) was that Evil cannot create, only corrupt (the Boethian, as opposed to the Manichean, concept of evil). In Letter 153 he explained that to a first approximation, Treebeard was wrong (“Trolls are only counterfeits, made by the Enemy in the Great Darkness, in mockery of Ents, as Orcs were of Elves.” TT, p. 89) and Frodo was right (“The Shadow that bred them can only mock, it cannot make: not real new things of its own. I don’t think it gave life to Orcs, it only ruined them and twisted them …” RK, p. 190). (Tolkien: “Treebeard is a character in my story, not me; and though he has a great memory and some earthy wisdom, he is not one of the Wise, and there is quite a lot he does not know or understand.” Letters, p. 190; “Suffering and experience (and possibly the Ring itself) gave Frodo more insight …” Letters, p. 191.) (“To the first approximation” [above] because in that same letter Tolkien made some subtle distinctions betwe
