The Mystery Machine Ride 2 4. Disaster quickly strikes when a ghostly jester appears and tries to overthrow the king. The series also established " Coolsville " as the name of the gang's hometown; this setting was retained for several of the later Scooby productions. Kasem's death leaves Frank Welker as the only remaining original cast member still with the franchise. This content was pinned from: Mmmm-mmmm The exclamations came thick and fast from the mouths of the four teens and a dog that formed Mystery Inc as they stood on the docks at Dover Port.