Vortex Wraith
From Tardis Wiki, the free Doctor Who reference
Vortex Wraiths were chaotic, quasi-biological life forms that were indigenous to the Time Vortex.
History
The Time Lords build defences into their TARDISes to prevent the Wraiths from noticing them. (EDA: The Slow Empire)
After Gallifrey was destroyed, the Wraiths were forced to evacuate the time vortex due to the Council of Eight. (EDA: Anachrophobia)
The Transference network of the Slow Empire once allowed a group of Wraiths to penetrate the Doctor's TARDIS. (EDA: The Slow Empire)
