Eric Jacobson is an American puppeteer. He is best known for his involvement with the Muppets, performing Miss Piggy, Fozzie Bear, Animal, and Sam Eagle for The Muppets Studio, as well as Sesame Street characters Bert, Grover, Oscar the Grouch, Guy Smiley and the left head of the Two-Headed Monster—all roles that he inherited from the characters' original performers, Frank Oz, Caroll Spinney, Jim Henson and Joey Mazzarino. From Wikipedia
