Genghis Khan

Genghis Khan was a Mongol military leader. In 1289, the First Doctor, Ian Chesterton, Barbara Wright and Susan Foreman met Genghis Khan's grandson, Kublai Khan. (TV: Marco Polo)

The Seventh Doctor claimed to have delivered Genghis Khan, describing him as that "a sweet baby." (PROSE: Tragedy Day) The First Doctor and Susan had previously encountered him as an adult. (PROSE: Time and Relative, AUDIO: An Earthly Child)

When the Master claimed he wanted to rule people "for their own good", the Third Doctor wondered if he had heard Genghis Khan say the same thing. (TV: The Dæmons)

The Master lied to Chang Lee that the Doctor had been Genghis Khan. (TV: Doctor Who (1996))

According to the Sixth and Ninth Doctors, the TARDIS once withstood an attack from the hordes of the Genghis Khan. (AUDIO: City of Spires, TV: Rose)