The changelings refers to spellcasters that use changings magic.
Behind the scenesEdit
In some usage seen in fantasy and science fiction, changeling may also refer to a shapeshifter (or doppleganger). Compare to the Changings magic. For example a demonic character in the Elfstones of Shannara is called a changeling for its ability to take on the appearance of any creature or animal.
The term changeling is often found in folk lore and folk tales. It is typically described as being the offspring of a fairy, troll, elf or other legendary creature that has been secretly left in the place of a human child. Sometimes the term is also used to refer to the child who was taken (see Leprechaun).
In the case of werewolf Sir Greywolf its not clear if context is of his ability to shapeshift (not seen in the game), or if he maybe his 'humanoid' form (unseen) is actualy from another legendary creature including elves, goblins, fairies etc.
In material cut form King's Quest Chapter II in the Reboot Canon, there was a book that discussed Changelings, and baby swaps. Individuals who got swapped with another race as a baby. The concept of Baby Swap did make it into the released game, but not references to changeling.