In the hundreds of years that the Bogeyman has been "alive" in stores and folklore, there have been a few real men who, seemingly, wanted to make themselves real-life bogeymen. They all were known to be so terrible that the mere mention of their name would be enough to send shivers down parents' necks as they thought of the heinous acts that these men were capable of committing against children. Click on the pictures below to learn more about some of the most infamous real-life boogeymen.