Quote from: Krimson;1047925He created the name (maybe), but he certainly didn't invent Svartálfar.

Drow, or Trow, are from Norse or Finnish myth and are evil, demonic elf-beings but by description more akin to kobolds, iirc., so he didn't create the name either.  

Here we go:

https://en.wikipedia.org/wiki/Trow_(folklore)