Time Lord messenger (Genesis of the Daleks)

After a transmat beam used by the Fourth Doctor and his companions was redirected to Skaro, a Time Lord messenger visited the Doctor and gave him a mission to. He also gave the Doctor a time ring to leave Skaro once the mission was complete. (TV: Genesis of the Daleks)

By one account, this messenger was Valyes, (AUDIO: Ascension)

By another account, the messenger was Ferain, the Director of Allegiance for the Celestial Intervention Agency. (PROSE: Lungbarrow)

By another account, this messenger was Deliavatsud, (PROSE: The Dalek Problem)

By yet another account, the messenger's name was Jelpax. (PROSE: Divided Loyalties)