This list of Sesame Street puppeteers includes all who have worked on the show, as a regular, backup, guest puppeteer, etc., and by no means should be taken as complete, as many Muppeteers only have done one skit on the show, and thus aren't credited.
Grundgetta, Crystal of the Squirrelles (puppeteering only), Mae (2005), Black and White Moo Wave Cow, Nani Bird, Various
Hansel (2006), Various
Ernie (voice for Sesame Street Live shows (2009–2014); regular performer (2014–2018))
Zoe (2016–present), Gladys the Cow (2003–present), Mama Bear (2003–present), Francine Lloyd Wright, Granny Snuffle, Goldilocks (2005), Super Chicken (2005), Granny Bird (2018–present), Mommy Snuffleupagus (2000s), Various
Louie, Various
(1979–1984; 1990–present)Mona Monster, Cookie Monster's Grandma (1982), Forgetful Jones' Mother and Forgetful Jones' cousin, Various
Meryl Sheep, Ruby, Clementine (1987–1992), Goldilocks (1991–1996), Mama Bear (1993–1996), Gladys the Cow (1992-1996), Juliet, Loretta, Stella, Countess von Backwards (1990), Ingrid (Anything Muppet), Velma the Grouch, Grandma Count, Herry Monster's Mother (1993), Polly Darton (1990), Various
The Twiddlebugs (voices for CGI segments), Cookie Monster's Grandmother
Prairie Dawn (1970–2015), Zoe (1993–2015), Betty Lou (1970–1984), Little Bird, Roxie Marie, Polly Darton, Mrs. Crustworthy, Wanda Cousteau, Countess von Backwards (1994–2005), Nora Nicks, Helena, Goldilocks (2007), Mae (2006–2015), Gladys the Cow (1996-2003), Various
Betty Lou (1993–1998), Darlene of the Squirrelles, Various
Sherry Netherland (1993–1995), Betty Lou's Mommy, Mama Countess, Sophie (1995), Various
Gonger, Various
Louie (2007–present), Mr. Can You Guess, Big Bad Wolf (2007–2013), Super Chicken (2008), Various
Abby Cadabby, Goldilocks (2012–present), Rosa, Rose, Gretel (2006), Velvet, Mae (2006), Baby Natasha (2014-present), Various
Elmo (1985–2012), Hoots the Owl (1985–2012), Baby Natasha (1989-2012), Benny Rabbit (1990-2007), Wolfgang the Seal, Kingston Livingston III, The Grand High Triangle Lover, Clementine (1985–1987), Dr. Nobel Price (1984–1988), Chip Cat, Ferlinghetti Donizetti (1984–1986), Mel, Big Bad Wolf (1980s—2008), Preposterous, Watson, Segi (puppetry), Mario, Professor D. Rabbit, Dexter (head), J. P., Baby Fats Domino, Oliver, Gus, Warren Wolf, Buster the Horse (1980), Sophie (1985), Big Jeffy (1988), Cookie Monster's Mommy (2004), One of the Fuzzy Funk, One of the Git Along Little Doggies, One of the Rockheads, Various
Barkley, Various
Various
Rudy, Various
Various
Various
Prairie Dawn (2016–present), Curly Bear, Mae (2004; 2019–present), Lulu, Elizabeth, Mrs. Crustworthy (2016–present), Googel, Cookie Monster's Mommy (2016), Grover's Mommy (2001; 2016), Herry Monster's Mother (1998), Diva D'Abruzzo, Various
Snuffy, Poco Loco, Leslie Mostly, Slimey the Worm, Forgetful Jones, Cowboy X, Sullivan, Tarnish Brother, Various
Elmo (2013–present), Roosevelt Franklin (puppetry - 2019–present), Lefty the Salesman (2019–present), Don Music (2019–present), Dr. Nobel Price (2019), Various
Mama Bear (1996–2002), Goldilocks (1996–2004), Sherry Netherland (1995–1998), Little Murray Sparkles, Loretta (1996–1998), Phoebe (2001–2002), Various
Various
Various
Various
Mrs. Bolinski, Various
Various
Various
Mr. Snuffleupagus (back end), Two-Headed Monster (right head (1978) debut sketch), Various
Barkley, Dexter (hands), Garbo Gorilla, Various
Various
Sally Messy Yuckyael, Loretta (1993), Various
Tessie Twiddlebug (2008-present), Various
Mr. Honker (Follow That Bird), Various
Gladys the Cow (2021-present), Various
Various
Various
Hoots the Owl, Various
Various
Bebe (from The Furchester Hotel)
Maisie Weatherberry and Samson Bookworm (series 2 on Sesame Tree)
Various
Various
Various
Ernie, Kermit the Frog, Guy Smiley, Little Chrissy (puppetry), Bip Bippadotta, Thomas Twiddlebug, Sinister Sam, Bad Bart, Little Bird (1969), Granny Fanny Nesselrode (1970; 1972), Spaceship Surprise Captain, The Genie (1973), Barry Rhymie (1978), Captain Vegetable (debut sketch), Charlie (occasionally), Yip Yip Martian, Two-Headed Monster's Mother, Harvey Monster (occasionally), Beautiful Day Monster, Various
Two-Headed Monster (right half), Forgetful Jones (1981–1991), Gladys the Cow, Sully, Don Music, Placido Flamingo, Elmo (1984–1985), Sonny Friendly, Ferlinghetti Donizietti (1980–1984), Aristotle, Leo the Party Monster, Dip Cat, Brad, Timmy Twiddlebug, Captain Vegetable, Gilbert, Dr. Kvetch, Richard, Zero, Spaceship Surprise Mate, Worby the Grouch, Earl, Green Alphabeat, The Beetles' Lead Singer, Tarnish Brother, Grandpa Count, Grandpa Grouch, Larry Rhymie (1978), Mrs. Bolinski (1982), Tough Eddie (1984), Frazzle (1989), Harvey Monster (occasionally), Maurice Monster (occasionally), Yip Yip Martian, Mr. Snuffleupagus (back half, 1970s), Slimey the Worm (1978), Duke, One of the Rockheads, Various
Juliet, Various
Grover (1998–present), Bert (1998–present), Oscar the Grouch (2015–present), Guy Smiley (2005–present), Two-Headed Monster (left half) (2016–present), Harvey Kneeslapper (2019), Various
Mama Bear (2019-present), Karli, Various
Mr. Snuffleupagus (back end)
Various
The Amazing Mumford (2004; 2018–present), Various
Elena, Betty Lou (2017-present), Various
One of the Rockheads, Various
Various
Ernie (2017–present), Herry Monster (2017–present), Osvaldo, el Gruñón, Timmy Twiddlebug, Samuel, Hansel (2005), Elmo (voice only, Spaghetti Space Chase grand opening ceremony) (2013), Captain Vegetable (2019), Various
Various
Samuel, Various
Various
Zoe (2020-present), Various
Daddy Snuffle, Mommy Snuffleupagus (1980s–1990s), Granny Snufflie (occasionally), Gretel (2005–2006), Smiley (2014-present), Ernie (1989-1992), Various
Mary, Various
Preston Rabbit, Lassie, Irvine (1991), Betty Lou's Dad, Various
Daddy Dodo (puppeteer), Various on Sesame Park
Murray Monster, Papa Bear, Two-Headed Monster (left head) (2001–2016), Horatio the Elephant, Stinky the Stinkweed, Ingrid, Narf, Joey Monkey, Merry Monster, Colambo, Baby Tooth, Bernie Broccoli, The Fairy Godperson, Cousin Bear, Figby, The Tooth Fairy, Cyranose de Bergerac (2007), Frazzle (2014), The Big Bad Wolf (occasionally), Various
Various
Zoe, Prairie Dawn, Tina, Various
Various
Barkley (1978–1984; 1987), Telly Monster (1980–1984), Elmo (1980–1984), Dr. Nobel Price, Grundgetta (1980–1984), Clementine, Pearl, Rusty, Alphabet Bates, Tarnish Brother, Gilbert (1980), One of the Rockheads, Various
Grover's Mommy (1981), proto-Elmo (1981), Telly's Mom, Various
Count von Count (1972–2012), Mr. Snuffleupagus (1971–1978), Herry Monster (1970–2003), Mr. Johnson (1971–2012), Two-Headed Monster (left half) (1978–2000), The Amazing Mumford (1970–2011), Biff, Sherlock Hemlock, Little Jerry, Frazzle, Fred the Wonder Horse, Farley, Simon Soundman, Sam the Robot (occasionally), Herbert Birdsfoot, Big Bad Wolf (1971–2012), Poco Loco (1974–1976), Tina Twiddlebug, Rodeo Rosie, Mr. Chatterly, Noel Cowherd, Phil Harmonic, Sir John Feelgood, Tough Eddie, Cyranose de Bergerac, H. Ross Parrot, Japanese Storyteller, The Genie, Ernest the Grouch, Granny Grouch, Lefty's Boss, Marty, Joe Busby, Jack Be Nimble, Lord Hog, Vern, Cousin Monster, Jackman Wolf, Mary Rhymie (1978), Barry Rhymie (1980), Dr. Kvetch (1997), Cookie Monster's Pop, Cookie Monster's Sister, Charlie (occasionally), Harvey Monster (occasionally), Tarnish Brother, Mommy Snuffleupagus (1970s), proto-Elmo (1980), Yip Yip Martian, Officer Krupky (Episode 0441), Various
Rosita, Ovejita, Various
Bert (1969–2000; occasionally - 2003–2006), Cookie Monster (1969–2000; occasionally - 2001–2004), Grover (1969–2000; occasionally - 2002–2012), Roosevelt Franklin (puppetry), Harvey Kneeslapper, Lefty the Salesman, Professor Hastings, Tessie Twiddlebug (1974–1982), Prince Charming, Rufus, Officer Krupky (Episode 0581), Moe Busby, Beautiful Day Monster, Bart, Betty Lou (1969–1970), Charlie (occasionally), Harvey Monster (occasionally), Tarnish Brother, Larry Rhymie (1980), Various
Various
Telly Monster (1979 debut), Georgie, Slimey the Worm (1978), Mary Rhymie (1980), Various
Various
Deena, Masha, Various
Snuffy, Telly Monster (1984–present), Slimey the Worm, Fluffy, Buster the Horse, Irvine, Monty, Vincent Twice, Mrs. Grouch, Sullivan, Shelley the Turtle, Old MacDonald, Dicky Tick, Ralphie, Tito, Otto the Grouch, Earl (1995), Bart (2017), Mommy Snuffleupagus (1980s), Freddy (2018), Big Bad Wolf (occasionally), One of the Rockheads, Various
Cookie Monster (2001–present), Baby Bear, Two-Headed Monster (right half) (1998–present), Humphrey, Chicago the Lion, Davey Monkey, Athena, Flo Bear, Sully (1993–1999, 2020–present), Sonny Friendly (1992–2000), Tessie Twiddlebug (1987–1996), Norman, Dr. Edwynn, Ernestine, Rudder Rabbit, Velma Blank, Duane, Tyrone, Freddy (2017), One of the Fuzzy Funk, One of the Git Along Little Doggies, Granny Snuffle (1989), Dip Cat (1992), Cookie Monster's Grandma (1994), Mommy Snuffleupagus (1990s), Yip Yip Martian, Various
Big Bird (occasionally), Guy Smiley (debut sketch), Various
Alice Snuffleupagus
Big Bird, Oscar the Grouch, Bruno the Trashman, Granny Bird, Granny Fanny Nesselrode, Sam the Robot (occasionally), Shivers the Penguin, Lefty the Salesman (occasionally - 1970), proto-Cookie Monster (1970 sketch), proto-Grover (1970 sketch), Beautiful Day Monster, Various
Various
Various
Alfred Duck, Ernie (Play with Me Sesame, Sesame Street 4-D Magic - 2003), Phoebe (2002), Cookie Monster's Mommy (in Episode 4059), Yip Yip Martian, Various
Barkley
Osvaldo, el Gruñón, Dani
Big Bird (1997-present), Count von Count (2013–present), Mr. Johnson (2014–present), Herb, Hansel (2006–present), Harvey Kneeslapper (2010), Forgetful Jones (2012; 2019), The Big Bad Wolf (2013), Kermit the Frog (2019), Sherlock Hemlock (2019), Biff (2020–present), Various
(1993-1997, 2019-present)Various
Ernie, Kermit the Frog, Dr. Feel, Various
Various
Various
Snuffy (back end)