Just joking about the Masons because some folks want to link them to all things ‘secret society.’
Homer notices that his colleagues Lenny and Carl are enjoying inexplicable privileges at the Springfield Nuclear Power Plant. He discovers they are part of an ancient secret society known as the Stonecutters. To join, one must either be the son of a Stonecutter or save the life of a Stonecutter. While extolling the Stonecutters at the dinner table, Homer discovers that his father is a member and is admitted...
https://en.wikipedia.org/wiki/Homer_the_Great