Expansion This needs a stretch. (Feel free to remove when satisfied of completion.)
* Physical appearance.
* Personality.
* History.

Alan Dinsdale is the head of the Hambridge University Library, and secretly an undercover special agent for the FBI.

Physical appearance

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Early life

He came from Velma Dinkley's old neighbourhood. He had been put in charge of the Hambridge University Library.

Scooby-Doo! Mystery Mayhem

Agent Dinsdale undercover

Dinsdale reveals himself.

Mr. Dinsdale called Mystery Inc. to come and solve a mystery of hauntings at his library. He believed that an ancient book called the Tome of Doom had summoned the ghosts in his library. The gang eventually defeated the ghosts and found one fake one, Dinsdale's own assistant, Walter Peabody, and was very disappointed. He also suggested that the gang investigate the missing pages in the Tome of Doom.[1]

After the mind-altering device at Sherman Tech (the final location in the mystery) had been destroyed, one of the scientists revealed himself to be Mr. Dinsdale, who was working undercover, and now having solid evidence of Travis Sherman and Selena Drake's plan, he placed them under arrest. Selena ran from the authorites, and they all chased her outside. She then released the Fire King on Shaggy and Scooby-Doo. Afterwards, he thanked Shaggy and Scooby for their bravery, rewarding them with a box of Scooby Snacks (having done research).[2]



  • His first name is used in the end credits of the PS2 version.


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