Earliest Examples of Mumblecore Movies?
Mumblecore movies? Not a clue.
Mumblecore character? The Original.
While I see titles on Mumblecore lists that go back as far as the 70’s, this article (with a nice postscript to MumbleGore!) contends that Mumblecore started as an American DIY thing around the early 2000s. I remember back then seeing an almost uncomfortably intense, digitally shot confection called “Too Much Flesh” that I’m pretty sure fits at least the more “modern”(?) definition of Mumblecore.
FWIW, a ‘Top 10’ list of Mumblecore flicks that appear to be only within last 15 years or so.
Or, then again, heh - this: