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)
In 2009, Clyde Langer told Rani Chandra that aliens had "more tricks up their sleeve than Derren Brown". (PROSE: Day of the Clown)
In 2016, when Tanya Adeola was partially invisible due to bone spiders' spiderweb, Miss Quill suggested that they "get Derren Brown on the phone". (PROSE: The Stone House)
Sam Bishop compared the War Master, an adversary of UNIT known for his mind tricks, to Derren Brown. The Master, unaware of who Derren Brown was, was intrigued by this reference and suggested that they meet. (AUDIO: Masters of Worlds)
