Greywaifs were one of the more common varieties of waif found in the Nightwoods. Like all waifs, they possessed the ability to communicate silently via telepathy. They had pale, mottled grey skin and, like ghostwaifs and copperwaifs, had four long, ringed barbels protruding from around their wide, fleshy mouths. They were also larger than most other waifs. During the Second and Third Ages of Flight, there was a large population of them inhabiting Waif Glen in the Free Glades.