'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
Karen Leigh Prell (born July 26, 1959) is an American puppeteer and animator. She is the performer of Red Fraggle in Fraggle Rock.