Threnodesse was a yellow-eared waif in Weird New Worlds who befriended Hedgethorn Lammergyre on their journey to Great Glade as part of the Farrow Lake Delegation. She was his secretary, and constantly kept him alerted to concealed dark thoughts, sometimes saving his life by informing him of murderous intentions.

Later, Threnodesse became the tavern waif of the Split-Willow Tavern. Here she saved Hedgethorn again, this time from the Defenders of the First Age.