Buzz Aldrin was an American astronaut and a member of the Apollo 11 mission. As far as the majority of humanity was aware, he was the second man to walk on the Moon on 20 July 1969, after Neil Armstrong. (TV: Day of the Moon, PROSE: Who Killed Kennedy) Iris Wildthyme claimed that she gave Neil and Buzz a fright when she drove up out of a crater flashing her TARDIS' headlights. (PROSE: Minions of the Moon)