This is a clear parody of the famous Frank Miller's comic book series Batman: The Dark Knight Returns Part #2 (#1 in the animated adaptation of 2012).
The DJ's name (Stylbator) is stated to be Salvatore in promos aired prior to the episode's premiere.
At the 16:31 mark, there is a faint cue in the music that says "Mortal Kombat!" as Jack rips his shirt off.