Grimlocks are white-fleshed demons that dwell within the sewer system, mainly storm drains, and feed on the positive energy surrounding good individuals, this positive soul energy is known as an Aura. They appeared in the TV series Charmed. Grimlocks steal the eyesight of children enabling them to see the aura that surrounds a good person and choke them with it. The eyesight fades within 24 hours and can only be used if the child is alive, after those 24 hours, the Grimlocks consume the child.