Blood Control

Name:Blood Control Used By:The Sycorax Used by the Sycorax to Hypnotise Earth's Population.

Biography
Blood Control is a form of hypnosis or 'Cheep Vodoo' used by The Sycorax to hypnotise the population of Earth with the blood type A+ to stand on the rooftops. The Doctor soon deactivated it and all the Humans forgot what happened.