We used to call these kinds of personas Living Personas.
“Over the years, many people have recognized that Personas can cause more problems than they solve. To fix this, designers began making Personas bigger and more rich. Some Personas can be 1-2 typed pages which meticulously describe attributes of these imaginary customers. Yet, no amount of colorful attributes can fill the gaps our brains will automatically fill when reading Personas. These missing gaps are the causalities which drove the customer to consume a particular product.”