Steven Lawrence Whitmire (born September 24, 1959) is an American puppeteer, known primarily for his work with the Jim Henson Company, Sesame Workshop, and the Muppets Studio. Beginning his involvement with the Muppets in 1978, Whitmire originated the roles of Rizzo the Rat, Lips, Wembley Fraggle, and Bean Bunny. He also inherited the roles of Kermit the Frog and Ernie after Jim Henson's death in 1990; he performed the characters until 2016 and 2014, respectively. In later years, he also performed Statler and Beaker. (Via Wikipedia)