Wendy Midener

https://en.wikipedia.org/wiki/Wendy_Froud

Wendy Froud (née Midener; born 1954) is an American doll-artist, sculptor, puppet-maker, and writer. She is best known for her work fabricating Yoda for the 1980 film Star Wars: The Empire Strikes Back, for which she has been called "the mother of Yoda",[1] and creatures for the Jim Henson films The Dark Crystal and Labyrinth.