Sting (Middle-earth)
Sting has the magical ability to detect orcs or goblins nearby, glowing blue in their presence, as it did when the Fellowship encountered orcs in the mines of Moria. Tolkien establishes this as a common property of First Age Elf blades, particularly those forged in Gondolin. Sting is also exceptionally sharp. Bilbo manages to thrust it without effort deep into a wooden beam at Rivendell. Frodo also wounds a troll in Moria, after Boromir notches his own sword with his attempt. Sam uses Sting to cut through the giant spider Shelob's strong webs with ease, and also wound the spider, driving it away from the paralyzed Frodo.
Finrod Felagund
In earlier versions of Tolkien's writings, and in the first edition of "The Lord of the Rings", the name Finrod was given to the character later known as Finarfin. Finrod Felagund was then named Inglor Felagund. In the first edition of The Lord of the Rings, the character Gildor introduces himself as "Gildor Inglorion of the house of Finrod." However, in the second edition, when Finrod's name was changed to Finarfin, this line was not changed. The earliest name of this character was Felagoth.