sentences:  Lynch used the kidnapping of Froggy Doo as the basis for a screenplay, and interviewed Herb McAllister (the actor who played Happy Herb and provided Froggy Doo's voice) to gain background information for the script.Lynch and McAllister agreed to a contract which gave exclusive story rights to Lynch and permitted the use of the original Froggy Doo character design in the final film.Lynch contacted Caroline Zelder, a director/producer friend of his, and Zelder agreed to produce the film.