The Boogeyman Across Cultures

It seems that the idea of a nasty character who carries a bag into which he or she stuffs naughty children, who are then, never again heard from is common around the world, and in many cultures this character has a name that is similar to "boogeyman." In Scotland children are told they may be taken by a bogger, bogart, for instance. From Wikipedia:

In many countries, a bogeyman-like creature is portrayed as a man with a sack on his back who carries naughty children away. This is true for many Latin countries, such as Spain, Portugal, Brazil and the countries of Spanish America, where it referred to as el "Hombre de la Bolsa", el hombre del saco, or in Portuguese, o homem do saco (all of which mean "the sack man"). Similar legends are also very common in Eastern Europe, as well as Haiti and some countries in Asia. 

Were you ever told about a monster that would come and take you if you  misbehaved? Many stories have origins in warning children away from dangerous things that they can't rationally understand. Others seem formulated to scare the beegeezus out of impressionable children to make them more pliable. We tell these stories to adults, too, though. Human consciousness seems programmed to imagine supernatural terrors awaiting us if we take too many missteps. What ever. My imaginary friend is always on call to aid me.