Christian Duguay was born on January 3, 1970 in Stanford, California. He grew up in Carefree, Arizona and Readfield, Maine. 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 joined the Groundlings Main Company in 2000.