Definition of "jokester"

Characters commenting on their own predicament as though they were the armchair jokesters of MST3K is almost never as smart as a film’s creative team thinks it is—something for which Urban Legend serves as Exhibit A.

2017 October 27, Alex McLevy, “Making a Killing: The Brief Life and Bloody Death of the Post-Scream Slasher Revival”, in The A.V. Club‎, archived from the original on 5 March 2018