Other hand or glove puppets are larger and require two puppeteers for each puppet. The puppets are animated and voiced by puppeteers who are on stage, unconcealed. There are fairs with snake charmers, puppeteers, acrobats and folk performers. This part was performed by three puppeteers and two different animatronic puppets. The fair has snake charmers, puppeteers, acrobats and folk performers. There are fairs with snake charmers, puppeteers, acrobats, and folk performers. He is the puppeteer responsible for training the puppeteers on "Sesame Tree". The process of dressing or redressing the puppets by the puppeteers is called "koshirae". The large gorillas who live with George were all costumed actors who were Henson puppeteers. The most prominent was a rod puppet, controlled by puppeteers Dave Chapman and Brian Herring. The principal cast includes four puppeteers and three human actors. A mime from Switzerland was hired to help choreograph the movements of the puppeteers. Muppet characters are frequently paired together based on how well puppeteers perform as a team. Tillstrom influenced and mentored many later puppeteers, including Shari Lewis and Jim Henson. A team of wire work puppeteers manipulated the necks, tails and wings.