Shirley McLoon

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Shirley McLoon
Shirley McLoon
Vital Statistics
Species Human
Gender Female
Hair color Black
Other Statistics
Occupation Federal officer
Affiliation Treasury Department
Production Details
First appearance APNSD: A Bicycle Built for Boo!
Played by Isabel Sanford

Shirley McLoon is an agent of the Treasury Department. She pretended to be a psychic medium while she was undercover.

Physical appearance

Shirley is an African-American female with short black hair.


She's dedicated to her job, and takes on wild disguises (such as a psychic) to get the job done.


A Pup Named Scooby-Doo

Season one

The Scooby-Doo Detective Agency encountered her outside the Ferguson Estate, and found her wild persona to be suspicious. She had been locked in the mansion's cell by the Ghost, and it was revealed to be Mr. Conrad, she was there, ready to take him into custody.[1]


  • Shirley's name is a play on the famous New Age aficionado, Shirley MacLaine.
  • Series producer/developer, Tom Ruegger, eventually later reused the name for Shirley "the Loon" McLoon, one of the characters on Tiny Toon Adventures (which he was also a producer/developer on), whom was also into psychic powers and fortune-telling.



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