Revealed at last! A crazy cartoon conspiracy! That groovy Mystery Machine used by the Scooby-Doo ghostbusting gang was borrowed from Fred Flintstone!
The conclusive proof can be seen in the above photo!
This is actually good news for those assorted villains and malcontents who pose as wacky monsters and ghosts. The Mystery Machine’s prehistoric bipedal technology would be inadequate to capture even lovable Dino. Unless, perhaps, it were powered by Scooby snacks.