|Relationships:||Isadora Quagmire, Quigley Quagmire (siblings)|
|Fandom:||A Series of Unfortunate Events|
|Other:||Played by Dylan Kingwell in the TV show|
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Duncan Quagmire is a character in A Series of Unfortunate Events.
After their parents die in a fire, Duncan and his sister Isadora are sent to Prufrock Preparatory School, where they meet the Baudelaire orphans. They are kidnapped by Count Olaf and Esmé Squalor and later saved by the Baudelaires.