Effective period / Period of releases: 1970 - 2015

Members: Yvonne Lewis, Cookie Monster, Jim Henson, Oscar The Grouch, Ullanda McCullough, Kevin Clash, Maeretha Stewart, Matt Robinson, Jerry Nelson, Frank Oz, Fran Brill, Sonia Manzano, The Kids (2), Ernie (4), Alaina Reed, Loretta Long, Carroll Spinney, Roscoe Orman, Will Lee (2), Bert (3), Grover (4), The Count (5), Marty (4), Kermit The Frog, Big Bird (4), Bob McGrath, Northern Calloway, Marilyn Sokol, Christopher Cerf, Little Jerry And The Monotones, Emilio Delgado, Prairie Dawn, Herbert Birdsfoot, David & The Ringers, Elmo (12), Herry Monster, Eddie (45), Andy (132), Roosevelt Franklin (3), Matt Vogel, A Little Girl, Lefty (13), Lefty's Boss, Snuffleupagus, Telly Monster, Chris And The Alphabeats, Baby Bear, Lexine, Benny Rabbit, Hoots The Owl, The Two-Headed Monster, The Birds (8), Ftatateeta And The Bats, A Boy (3), Zoe (44), Marty Robinson (6), Luis Santeiro, Rosita (14)