Sylvia Anderson (in-universe)

After overhearing Colonel Ahmed correct Osgood in saying that Cloudbase was Captain Scarlet, and not Thunderbirds, as Osgood originally said, the Twelfth Doctor claimed that "you['d] never seen a foxtrot like" himself and Sylvia Anderson. (TV: Death in Heaven)

Behind the scenes

 * Though the link isn't directly made in Death in Heaven, in the real world, Sylvia Anderson co-created both Thunderbirds and Captain Scarlet.