Duguay attended the Berklee College of Music in Boston, Massachusetts, where he majored in Jazz Theory and Composition.
In 1990, Duguay enrolled in the film school at California State University at Northridge, majoring in screenwriting.
He performed with the improv comedy group Legitimate Freaks, and later studied at Groundlings Theater.
He soon found popularity for his celebrity impressions which included: Jay Leno and *NSYNC's Joey Fatone, and most notably George W. Bush.
Impressions Aside from MADtv, Duguay has made other television appearances on shows like Arrested Development and Yes, Dear.