The Umbra Sprite
"Umbra Sprite means simply, dark spirit, but the Grackleflints are utterly my own creation. In searching for a moniker for a brood born of a demon, I devised the term in the same way I came up with Matchstick by combining common words to form a character name that was descriptive. Grackles are oily, squacky, nasty birds. Flint is brittle and black like their souls. Making them featureless and white stressed the point by formajg an opposite image. Otherwise, there's no mythological base for these characters although there are certain mentions in Native American lore about hideous old women with sharp, spiked elbows."
: Stan has the power to fly.
Lazlo Grackleflint: Lazlo has the power to divine via touch what a creature is. He is the Umbra-Sprite's key to finding the Fisher-King.
Piet Grackleflint: Piet has the power of shape changing. He can exercise that power over all his fellow Gracs.
Radu Grackleflint: Radu has the power to make himself and others invisible.
Emil Grackleflint: The most dangerous of them all is Emil, for his power is that of free will. He does not blindly follow the Umbra-Sprite. Interestingly, he is also the only Grac for which we have no confirmation of death...