An image from Kermit's Swamp Years, one of the productions that also features David Gumpel.
David Gumpel
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Kermit's Swamp Years
2002
The Muppets Celebrate Jim Henson
1990
Mr. Willowby's Christmas Tree
1995
The Wubbulous World of Dr. Seuss
1996
Hey, You're as Funny as Fozzie Bear
1988
The Great Sketch Experiment
2006
Muppet Sing Alongs: Muppet Treasure Island
1996
Jim Henson: Sing-Along, Dance-Along, Do-Along
1988