WBUR News Puppeteer Behind Elmo Resigns Amid Sex Scandal November 20, 2012 Listen Pause Loading Error / Download Embed Code Copy/paste the following code Donate By Elizabeth Blair, NPR Kevin Clash, the Sesame Street puppeteer who made Elmo a sensation, has resigned. Copyright 2016 NPR. To see more, visit http://www.npr.org/. Copyright NPR. View this article on npr.org.