Fourthlings were hybrids of all creatures of the Edge, and were the equivalent of men in the Edgeworld, to which they were identical but for their pointed ears. They were capable of interbreeding with other humanoid races of the Edge, resulting in fourthlings with unusual characteristics, such as Felftis Brack. They were rarely seen and mostly unknown to creatues of the Deepwoods. Kobold the Wise named them for the way their family trees had blood from all four corners of the Edgeworld. Fourthlings were typically shunned by the various Deepwoods tribes as they did not truly belong to any clan, but they prospered in Undertown and Sanctaphrax, the vast majority of academics, leaguesmen, and sky pirates being of this race. Every main protagonist in the Edge Chronicles series has been a fourth