Hellan
From Tardis Wiki, the free Doctor Who reference
Sister Hellan was a female Karagulan and a member of the Darksmith Collective. She, along with brother Talen, informed the high minister Drakon that they located the Eternity Crystal. She was the one who informed the high minister that it was located in the Mutter's Spiral galaxy. (PROSE: The Dust of Ages)
Whilst Drakon was watching the technicians repairing the Agent, Hellan informed him that a Dr. John Smith had arrived with a business proposal. (PROSE: The Colour of Darkness)