Disclaimer: Tolkien's the genius, not me.
So many names! Frodo sat staring at his notes, feeling quite overwhelmed. How was he to write this story when he could not make heads or tails of the people and places involved?
Then he saw what Merry had written of the Ents’ great lists.
“First name the four, the free peoples:
Elders of all, the elf-children;
Dwarf the delver, dark are his houses;
Ents the earthborn, old as mountains;
Man the mortal, master of horses…”
That was it! Frodo picked up his pen and started sorting names, beginning with the Elves he knew. Legolas, Elrond, Glorfindel, Gildor Inglorion, Lindir…