Bert Puppet National Museum of American History

Bert is a hand-rod puppet originally performed by Frank Oz and currently performed by Eric Jacobson. In a hand-rod puppet, like Bert, the performer’s dominant hand goes into the puppet’s head and operates the mouth and sometimes other facial features.

44 Muppets Bert Stock Photos, High-Res Pictures, and Images - Getty Images

Miss Piggy and the Muppets take Smithsonian by storm

Meet the Muppets National Museum of American History

Muppets on display at the Smithsonian - Deseret News

Muppets creator Henson's items head to NYC museum - The San Diego Union-Tribune

Ernie Puppet National Museum of American History

Cookie Monster Puppet National Museum of American History

Sesame Street' turns 45, adds afternoon time slot

Muppet collection goes to Smithsonian

Miss Piggy joins Kermit in Smithsonian collection