Frank Oz

Richard Frank Oznowicz (b. May 25, 1944) better known as Frank Oz, is one of the foremost Muppet performers and Jim Henson's closest collaborator. Oz and Henson performs some of the Muppets' most famous teams -- Oz is Bert to Henson's Ernie and Miss Piggy to Henson's Kermit the Frog. On Sesame Street, he also performs Grover, Cookie Monster and Ken Strawberry; on The Muppet Show, he performs Fozzie Bear, Animal and Sam the Eagle.