Hombre del Saco, or Sack Man
The Hombre del Saco, or Sack Man, seems to be one of the earliest versions of the bogeyman legend.
He manifests in tales as an old man with a large sack slung over his shoulder, stretched taut from the bundles of kidnapped children struggling within. He prowls the back alleys and other dark corners of his haunts, always alert for more unwary youngsters. Once the Sack Man put them into his sack, they were never seen again.