Benedict XVI

In 2008, the image of a man in religious attire was projected by the Atraxi, after the Eleventh Doctor asked them if Earth was a threat. After the Atraxi had scanned the planet, they concluded that it was not. (TV: )

Behind the scenes
Although unnamed in The Eleventh Hour, the man is Pope Benedict XVI, who was serving in the position at the time the episode was broadcast in 2010. He would resign three years later in 2013.