Emerson

Julius Quilter was head of the 'BEAGLE' project, researching human evolution. The project involved synthetically cultivating specimens of what the human race might evolve into. Three creatures were created - two of them died but the third thrived initially, but became weakened later on. Near death, the creature, named 'Alfred', was able to transplant some of the organs of one his guards into his own body, thus prolonging his life. The resultant horror meant that the project had to be closed down in 1975. Unable to kill the creature, Quilter had instead secretly reared the beast and educated it, eventually making him his assistant and giving him the name Alfred Emerson. Quilter seemed to ultimately be under the control of the creature, convulsing in pain at times apparently due to the presence of Emerson. Liz Shaw's P.R.O.B.E. began to investigate the 'BEAGLE' project after a series of deaths involving missing organs - much like the death of the guard in 1975. After Quilter's death while under questioning, Brian Rutherford called to the home of Quilter to pay his respects. There, Emerson held Rutherford captive while he revived the body of Quilter, perhaps intending to harvest Rutherford's organs to help the process. Only the intervention of Liz and Col. Ackroyd saved the life of Rutherford and killed Emerson.