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The Sour Note

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The Sour Note
(Dewey Largo)
The Sour Note.png
Supervillain Information
Male ♂
Hair: Gray
Occupation: Supervillain
Powers: Uses a Sousa-Phone to hypnotize
First appearance: The Agony and the Ectoplasm

The Sour Note is the supervillain alter-ego of Dewey Largo.


When The Sour Note was robbing King Toot's, Bartman went to stop him. However, The Sour Note had a hypnotized marching band army which he used his Sousa-Phone to control. Gil Gunderson, who was a ghost at the time, accidentally distracted Bartman and got him trampled by the marching band.