Manussan

From Tardis Wiki, the free Doctor Who reference

The Manussan were a species that lived on the planet Manusssa. They were a very advanced civilivation, and called themselves the Manussan Empire, at one point they created the Great Crystal using the power of their mind, which accidentally created the Mara. This resulted in the fall of the empire, which made way for the Sumaran Empire. (DWN: Snakedance)