The Uncle

From Tardis Wiki, the free Doctor Who reference

The Uncle was a Time Lord from Gallifrey and an uncle of the Doctor. (GAME: The Eternity Clock [+]Loading...["The Eternity Clock (video game)"])

While his mind was within the time brain, the Seventh Doctor, in response to Albert Einstein's statement, "It is a fundamental postulate that all motion is relative", told him that he would not say that if he had met the Doctor's uncle. (TV: Time and the Rani [+]Loading...["Time and the Rani (TV story)"])

On one occasion, River Song used the British idiom "Bob's your uncle" in front of the Eleventh Doctor, who retorted that his uncle was not called Bob, but "the Uncle". When River expressed scepticism about the existence of such a name, the Doctor described it as "a Time Lord thing". (GAME: The Eternity Clock [+]Loading...["The Eternity Clock (video game)"])

When Caitlin[which?] asked the Doctor if he was like Harry Potter due to him being able to speak to the snakes, The Doctor said that he was not like Harry Potter, but he did get locked in a cupboard under the stairs "when [he] was [her] age by [his] uncle". (PROSE: Horror of the Space Snakes [+]Loading...["Horror of the Space Snakes (novel)"])