Trademark (U.S.) Sept. 26, 1972, claiming use from 1971, but in print
from Sept. 1970. Name coined by creator Jim Henson (1936-1990), who
said, despite the resemblance to marionette and puppet (they have qualities of both), it has no etymology; he just liked the sound. (Ety)
- “Crazy old muppet,” she spits out and heads off towards the parking area. (Backman - Ove)