[This one's for those of you who grew up in the UK in the 70s and 80s...For the rest of you this'll make no sense whatsoever!]
The Green Cross Man (i.e. teaching kids how to cross the road)
With the recent raising of the terrorism threat OH&S deemed the Green Cross Man's 70s superhero outfit insufficient and his employer called him on his street corner to confirm yet again that "Yes, the new body armour and weapons are indeed necessary to ensure kids can cross the road safely. And, yes, the inflatable M16 carry case is part of the safety campaign - remember we want the kids to 'be alert, but not alarmed'"