21st-century caveman: Hunter-gatherer, 79, has lived in Argentinian mountain grotto for 40 years drinking from a creek and eating what he kills
Read more: http://www.dailymail.co.uk/news/article-3717005/No-rent-lifestyle-Argentine-mans-lived-40-years-cave.html#ixzz4G1wVbEjS
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...not a hermit named Dave as I first thought, but a good example of survival techniques nevertheless.

Liberals are like a "Slinky". Totally useless, but somehow ya can't help but smile when you see one tumble down a flight of stairs!