'Today (July 10) is Jerry Nelson's birthday! To celebrate, artist Zach Kenny has taken an incredible audio tape from 1999 of over three dozen Muppets wishing him a happy birthday, and created an animatic so we can all see it too!' - ToughPigs on Twitter
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.