Improv (https://en.wikipedia.org/wiki/Improvisational_theatre ) is among other things an art of building worlds and stories by justification of things you don't understand. So naturally there is an "An Improvised Theatre Experiment" called "Improbotics" (https://improbotics.org/) from Belgium where a generated text pronounced by robot is used in improv scenes in multitude of different ways.

According to Ben Verhoeven's interview taken 2020-06-11 by Moscow Improv Club (https://www.instagram.com/tv/CBTQsCanQ4g/ ) they used GPT-2 finetuned on movie subtitles.