From Muppet Wiki

Marianne Harms created many of the more meticulous and detailed puppets for The Jim Henson Company. Before Henson, Harms worked in the Bil Baird workshop.

• Emmet Otter's Jug-Band Christmas - puppets - built atmospheric water fowl
• The Muppet Show - Muppet designer - designed & built Gaffer (the backstage cat)
• The Dark Crystal - Creature fabrication unit for the Podlings