I really enjoyed watching "The Tiger King", but it still does not compare to the level of backwoods, hillbilly humor that is "The Dancing Outlaw". It's the original documentary about Jesco White (from The Wild and Wonderful Whites of West Virginia), but the original is still probably the funniest documentary of all-time (Stevie would be #2 in my book).
If you haven't seen it, here is a little clip for your enjoyment:
If you haven't seen it, here is a little clip for your enjoyment: