In the Netherlands there’s “Jan Modaal”, modaal (modal) referring the most commonly occurring value in or peak of a distribution. This name is used often when representing the experience of the most average Dutchman.
It’s especially often used in financial discussions and journalism, like “owning a house is getting further out of reach for Jan Modaal.”
What do you mean “when”? You can create a community on an existing instance right now, or you can run your own instance if you want! Just check out the docs.