Mr Nainby was an elderly man living in Upper Leadworth. Along with the other pensioners of the town, he lived in a home.
In a fictional dream world created by the Dream Lord, Mr Nainby was one of the elderly Leadworth residents who were taken over and kept alive by Eknodines. Along with the rest of the Eknodine, he later attacked the Doctor, Amy and Rory. (TV: Amy's Choice)