 Sugoll, although often robed in a handsome illusory body, is the most hideous and terrifying of all the Howlers.By the end of the series, the Howlers have left their radioactive mountain home and moved to the deserted Firvulag city of Nionel, where they set up a genetic plan to restore their hideously mutated selves to some degree of normality.Interbreeding with humans, to revitalize their genetic stock with uncorrupted alleles, is a major component of this scheme, formulated by a slightly insane gold-torc human Genetics Master named Greg-Donnet (M.D., Ph.D., D.Sc., L.H.D.