Steven Lawrence Whitmire (born September 24, 1959) is an American puppeteer, known primarily for his work on The Muppets and Sesame Street. Beginning his involvement with the Muppets in 1978, Whitmire inherited the roles of Ernie and Kermit the Frog after Jim Henson's death in 1990; he performed the characters until 2014 and 2016, respectively....