Genghis Khan

Genghis Khan (1167-1227) was a Mongol military leader.

The Doctor claimed to have delivered Genghis Khan, saying that he was "a sweet baby." (NA: Tragedy Day)

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

The Master told Chang Lee that the Doctor had been Genghis Khan. (DW: Doctor Who: The TV Movie)

The Doctor assured Rose Tyler that the hordes of Genghis Khan couldn't break down the TARDIS doors. (DW: Rose)

In 1289 the Doctor, Ian Chesterton, Barbara Wright and Susan Foreman met Genghis Khan's grandson, Kublai Khan. (DW: Marco Polo'')