The drop bear is characterised by it's unusual defense mechanism - when the male senses danger, the drop bear glides or 'drops' down from it's perch and uses it's powerful hind spur to barb the enemy's eyes.
Only known deterrant is a generous smearing of vegemite behind the ears. It saved me once and I'd do it again in a heartbeat!
see also hoop snake
A common remedy remedy to repel dropbears is to smear Vegemite over your face. The distinct smell drives the bear away. The Australian government has tried to hide the existence of the drop bear for the sake of Australia's tourism. Although drop bears are quite rare they inhabit small towns and there has been a number of drop bear related deaths.
In appearance, they are similar to koala's but have large canine teeth. There are different sub-species, but primary they look like normal koalas. When on ground they are capable of running at 60kmp/h. There are no captive dropbears, as they are too difficult to catch. Beware of the Dropbear.
"Oh no! That's so sad! Did they find his body?"
"Nothing but a corpse torn apart. You could barley tell it was him..."