This is (allegedly?) a segment from the British documentary series Equinox, from the episode "Malltime":
* https://www.imdb.com/title/tt15434612/
* https://www.imdb.com/title/tt0264241/
* https://tftsarchive.gla.ac.uk/vod/maindisplay/?mid=7203&nid=...
* https://en.wikipedia.org/wiki/Equinox_(TV_programme)
So an actual person it seems.