Morax (species)
From Tardis Wiki, the free Doctor Who reference
The Morax were mud-like beings that were imprisoned in Pendle Hill for war crimes.
Biology
The Morax originated as sentient creatures, taking form of earth mud. They infect other beings by stinging them and traveling slowly into the body. They would then re-animate corpses or take control of living beings. (TV: The Witchfinders
