|DESIGN||Jim Henson designer|
Duke was a purple bird with an orange beak and red feathers on his head who first appeared in the sketch "Birds in the Trees" from The Muppet Show: Sex and Violence. In that sketch, he only said "Right on!"
- The Muppet Show: Sex and Violence
- The Muppet Show
- The Muppet Movie
- Muppets Tonight
- Mopatop's Shop
- The Muppets Character Encyclopedia