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* Physical appearance.
* Personality.
* History is incomplete.

Mr. McFinn was one of Professor Poisson's shipmates on the Sea Prowler.

Physical appearance

Mr. McFinn wore scruffy and informal clothes. He was also tall and thin and sported black hair.


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The Scooby-Doo Show

Season one

Mr. McFinn unmasked.

He conspired with Mr. McGil and First Mate Carp to steal underwater treasures, and dressed up the Kelp Monster to scare off the gang and the professor.


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