Azure Guardian
From Tardis Wiki, the free Doctor Who reference
The Azure Guardian was one of The Accord. He was the Guardian of the Quantum Realm, (PROSE: An Ordinary Man (novel)) one of the Six-Fold Gods of the Six-Fold-Realm and a Guardian of Time that represented Equilibrium (PROSE: The Quantum Archangel) and balance. (PROSE: An Ordinary Man)
Along with his fellows, the Azure Guardian was in attendance for the creation of the universe. (PROSE: The Whoniverse)
Eileen Younghusband met the Azure Guardian in Calabi-Yau Space. He gave her a time ring and sent her to find Alistair Lethbridge-Stewart and bring him back to Calabi-Yau Space. (PROSE: An Ordinary Man)