"We just did it as a goof and then it was like 'Oh my God, it took off,'" said Jimmy Fallon of the 2000 'SNL' skit that turned into a hit.

Horatio Sanz as Uncle Frank during the "Debbie Downer" skit on May 1, 2004 (Photo by Dana Edelson/NBCU Photo Bank/NBCUniversal via Getty Images via Getty Images) SATURDAY NIGHT LIVE — Episode ...

Horatio Sanz and Chris Kattan. “Season 11: The Weird Year”: Director Zeldes explores the 1985-86 season of SNL, which marked Lorne Michaels’ return to the show after five years away but ...

Chris Kattan, Will Ferrell, Chris Parnell, Horatio Sanz, and Christopher Walken during the Behind the Music skit on Saturday Night Live on April 8th, 2000. Photo: Mary Ellen Matthews/NBC/NBCU ...

Horatio Sanz and Chris Kattan. "Season 11: The Weird Year": Director Zeldes explores the 1985-86 season of SNL, which marked Lorne Michaels' return to the show after five years away but proved to ...