Derren Brown

Around the 2010s, when UNIT brought the Doctor's TARDIS to Trafalgar Square in a helicopter, they decided to attribute the event to Derren Brown as their cover story. It was not the first time they had done so. (TV: The Day of the Doctor)

When the Eleventh Doctor was being psychically probed, he wondered if it was Derren Brown again. (PROSE: Dead of Winter)