Mutant (Revelation of the Daleks)

A mutant was a product of Davros' experiments on Necros.

He attacked the Sixth Doctor before Peri Brown beat him repeatedly with a club-like stick to save the Doctor. The mutant was mortally injured, but before he died, the mutant forgave Peri and told the Doctor that the Great Healer had used him as a genetic experiment. His appearance and hostility were caused by the experiments. (TV: Revelation of the Daleks)