Gerrill

Gerrill is a fictional mutant and a minor recurring character featured in the original Doctor Who television series. He was played by actor Jeremy Chandler and appeared in the six-part serial, "Genesis of the Daleks" from series twelve in 1975, featuring Tom Baker as the Fourth Doctor. Gerrill was a member of the Mutos race from the planet Skaro, who served as part of the slave labor force for the Kaleds. He was closely associated with another Muto named Sevrin.