
Acting
Pamela Arciero (born May 8, 1954) is an American puppeteer and voice-over artist. She has performed for Between the Lions and Sesame Street, playing Oscar the Grouch's girlfriend Grundgetta in the latter. In addition to performance work, she worked as a director on the Noggin preschool series Oobi, which featured both writers and performers of Sesame Street. She is also the Artistic Director of the National Puppetry Conference at the Eugene O'Neill Theater Center.
Description above from the Wikipedia article Pam Arciero, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Jim Henson Idea Man
as Self (archive footage)

Jerry Nelson: A Celebratory Birthday Animatic
as Grundgetta (voice)

Sesame Street: See Us Coming Together

Sesame Street's 50th Anniversary Celebration
as Goldilocks / Grundgetta / Telly Monster (hand) / ... (voice)

When You Wish Upon a Pickle: A Sesame Street Special
as Grundgetta / Shoes / Jacket

Sesame Street: Singing with the Stars

Sesame Street: Wild Words and Outdoor Adventures

Sesame Street: Elmo's Music Magic

Sesame Street: Being Green
as Grungetta (voice) (archive footage) (uncredited)

Sesame Street: Elmo and Friends: The Letter Quest and Other Magical Tales