 They are similar to other monster families who appeared on television during the same time period.It has been suggested that they were inspired by a previous Hanna Barbera monster family, Mr. & Mrs. J.Evil Scientist,

A modern version of the family, renamed The Creepleys, appeared as part of the "Laff-A-Lympics" segment on "Scooby's All-Star Laff-A-Lympics".