Matt Vogel (born October 6, 1970) is an American puppeteer, director and singer who has worked for the Jim Henson Company and Sesame Workshop. He has performed for the Muppets, Sesame Street, and Oobi.
Peter Linz (born June 28, 1967) is an American puppeteer. His most prominent role is being the performer for the character Walter who was introduced in the 2011 feature film The Muppets. He then took over the roles of Herry Monster and Ernie on Sesame Street in 2017. Linz recounts receiving the role of Walter as his favorite; "Apart from my wedding day and birth of my children, being cast as Walter was one of the greatest moments of my life. I was beyond happiness."