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 are thus not credited.
Pam Arciero: (1982–present) Abby Cadabby (assistant), Black and White Moo Wave cow (puppeteering only), Cat in "Barn in the USA", Cinderella (in a 1980s "Sesame Street News Flash" segment), Crystal of The Squirrelles (puppeteering only), Grundgetta (1984–present), Kermit the Frog's right hand in "I Love My Elbows", "Let's Go Driving" daughter, Katie, one of Ernie's friends from "Don't Throw That Trash on the Ground", Rosa, Sally Wilson, Telly Monster (assistant), Vanessa
Heather Asch: (1992–present) Hansel (Season 37)
Jennifer Barnhart: (2001–present) "Dinner Theatre" cousin (from "Annie Get Your Gumbo"), Gladys the Cow (2003–present), Goldilocks (2005), Granny Snuffle, Karina the Ballerina, Mama Bear (2003-present), Ming, Mommy Snuffleupagus (2000s), Rosalyn, Sue Sylvester parody, Super Chicken, Taylor, Yo-Yo (voice only), Zoe (2016–present)
Jake Bazel: (2016–present)
Billy Barkhurst: (2009–present) Ernie (2014–present), various Anything Muppets
Cheryl Blaylock: (1979–1984) Cookie Monster's Grandma (1979), Forgetful Jones' cousin, Forgetful Jones' Mom, Mona Monster, Princess Katie, Sky Blue Honker (in "The Honker-Duckie-Dinger Jamboree"), various AMs
Camille Bonora: (1985–1997) Adrienne Bip, Agnes, Alice the Actress, Annette Monster, Aunt Chloe, Britta, Bossy the Cow, Celeste, Clementine (1988-1992), Countess von Backwards (1996), Deirdre, Glo, Goldilocks (1991-1996), The Grand Royal Square Lover's Assistant, Grandma Count, Granny Wolf, one of the Grouch Explorers, Herry's Mother (in "Herry's Family Song"), Ingrid (Anything Muppet), Juliet, Lady Agatha, Lead Singer of Bruno and the Trashmen, Little Green Riding Hood, Little Miss Muffet (1989), Long Jane Silver, Loretta, Mama Bear (1993-1996), Meryl Sheep, Miss Marble, Ms. Scarlett, Next Generation Doctor, one of Ernie's friends from "Don't Throw That Trash on the Ground", Pig in "Barn in the USA", Polly Darton (in "14 Carrot Love"), The Princess and the C, Ruby, Sally Soho, Spider, Stella, one of the String Beans, a tomato from "Grow High Grow Low", Umeko, Underlings, Vivian Vase, Additional Muppets
Fran Brill: (1970–2015) Alice, Anne Phibian, Arlene Frantic, Baa Baa Walters, Betty Lou (occasionally, such as in "Amigo"), Birthday Cake, Carol the Baker, Countess Dahling von Dahling, Countess von Backwards (1994-1996), Det. Olivia Benson Muppet, "Dinner Theatre" mother, Emagene, Fran, Frieda, Howie, I. C. DeForrest, Kuwa, Lavender J Friend, June Moon, Lady Two, Little Bird, Little Bo Peep (often), Little Jerry (in a sketch where Grover and the Monotones demonstrate the word "Walk"), Little Red Riding Hood, Marylou, Miss Vicki, Mouse in "Barn in the USA", Mrs. Crustworthy (2006-2015), Nora Nicks, The Old Woman Who Lives in a Shoe (from Episode 4519), Omagrossa, Pipe Organ, Polly Darton, Prairie Dawn (1971-2015), Princess Cutie, Princess Geraldine, Queen Olivia, Rita Rucci, Roxie Marie, Sadie Schwartzbaum, Sandy, Sleeping Beauty (in Episode 3777), the Small Bird, Snow Grouch, one of the String Beans, Summer Squall, The Sun (from "Elmo's World: Sky"), Ursula, Vertigo (Dwarf #2), Vivian, Wanda Cousteau, Zoe (1993-2015)
Lisa Buckley: (1993–present) Betty Lou, Darlene of The Squirrelles, Ida Nomer
Rickey Boyd: (2010–present)
Julianne Buescher: (1990–present) Aunt Edna, Betty Lou's Mommy, Blecka the Grouch, Clucky Clucky Chicken, the Cook singing "Most Important Meal", First Female Yip Yip Martian, the Goat "offended by the portrayal of goats", Mama Countess, The Old Woman Who Lives in a Shoe (in "Fairytale Detective"), Sherry Netherland (1993–1995), Sophie (in Episode 3364), Storybook, various characters
Tyler Bunch: (1993–present) Big Bad Wolf (2007-present), Blake Shelton Muppet, Darth Baker, Enormous Athlete, Humpty Dumpty (2007, 2008), Jack the Boss, Jeff Bawksworthy, Jeff Probst Muppet, Joe Doe, Max Bear, Minnesota Mel, Mr. Can You Guess, Prince Cha-Cha-Charming, Rico, Ryan, Super Chicken (in Episode 4176), Tom Twinkletoes, various Anything Muppets
Leslie Carrara-Rudolph: (2006–present) Abby Cadabby, Alice Burns, "Dinner Theatre" daughter, Goldilocks (2012–present), Gretel (in a "Healthy Storybook Moment" segment), Icelandic Girl AM (from Episode 4109), Iris (live action), Penelope Penguin, Rosa, Lotta Chatter, Sleeping Beauty (in a "Healthy Storybook Moment" segment), "Super K" daughter, The Super Foods whole-wheat bread, Virginia Virginia, Yip Yip Martian
Kevin Clash: (1980–2014) Baby Fats Domino, Baby Natasha, Baby Tooth, a beet from "Grow High Grow Low", Benny Rabbit, Big Bad Wolf (1980s-1990s), Big Jeffy (1980s), Billy Idle, Bobby Bunny, Cee Lo Green Muppet, Chad, Chef John, Chip Cat, Clementine (1985-1988), Cloud (from "Here Is Your Life: Carton of Eggs"), Cookie Monster's Mommy (in "The First Time Me Eat Cookie"), Dexter (head), Dick, Dog in "Barn in the USA", The Duck, Dr. Nobel Price (1984-1988), Dwayne, Eel, Elmo (1985-2012), one of Ernie's friends from "Don't Throw That Trash on the Ground", Essie Silverman, Fat Blue boy in "Big Kids Cry", Felicity (in a "The People in Your Neighborhood" segment), Ferlinghetti Donizetti (1984-1986), Finn, The Grand High Triangle Lover, Gus, Herb, Honkers, Hoots the Owl, J. P., Kermit's Doctor, Kingston Livingston III, Left, "Let's Go Driving" son, Luba Merquick, Mario, Max, Mel, Mike the Ladybug, Miss Blechman, Next Generation Security Officer, Oliver, One of the Four Grouches Named Moe, Pablo Paint Palette, Patti Paintbrush, Paul Pencil, Peter Piper, Pizzeria Dos Twin, Preposterous, Professor D. Rabbit, Sad, Sam (pianist), Segi (puppetry; 2010-2011), Selma Worm, Sergeant Gabriel, Sophie, The Sun (from "Where Do I Belong?"), The Super Foods broccoli, one of the Three Little Pigs, Timmy, Warren Wolf, Watson, Wolfgang the Seal, Yip Yip Martian
Frankie Cordero: (2001–present)
Bruce Connelly: (1991–2013) Barkley (1993–2013)
Melissa Creighton: (2007–present)
Stephanie D'Abruzzo: (1993–present) Bunny the Grouch, Carrie Underworm (puppetry only), Christina Aguilera Muppet, The Closer, Cookie Monster's Mommy (in Episode 4618), Curly Bear, Diva D'Abruzzo, Elizabeth, Googel, Grover's Mommy (often), Herry's Mother (in Episode 3741), Jill (Season 36), Kate Pierson Muppet, Little Miss Muffet (from Episode 4523), Liz Lemon, Lulu, Mariela, Mary Mary Quite Contrary, Mrs. Crustworthy (2016–present), Mrs. Hathahkugel, Mrs. Turow, Mimsy, Pipe Organ, Prairie Dawn (2016–present), Princess Parfaita, Rapunzel (from "Elmo's World: Hair"), Sharpay (voice only), Sissy Friendly, Slam, The Super Foods cheese, one of the Three Little Pigs
Michael Earl Davis: (1978–1981) Cowboy X, Forgetful Jones (1979-1981), Frog Guitarist from "My Polliwog Ways", Honkers, Lavender boy in "Big Kids Cry", Lefty ("At the Bus Stop Sign"), Leslie Mostly, Kermit the Forg (in "Near Far Monsters"), Mr. Snuffleupagus (1978–1980), Poco Loco (1978-1980), Polly Darton (puppetry; 1978-1981), Sally Sanchez, Slimey the Worm (1978–1980), various Anything Muppets
Ryan Dillon: (2005–present) Cinderella (from "Coach with Pau Gosol"), Elmo (2013–present), Grundgetta (assistant), Hansel (hands), Henrietta, Herry Monster (in Episode 4130), Mr. Blechstein (assistant), Sensitive Nose (Dwarf #6), and various
Alice Dinnean: (1994–present) Bicycle, Delly Monster, Goldilocks (1996-2004), Kermit the Forg (in "Monsters In Day Care"), Little Murray Sparkles, Loretta, Lurlene, Mama Bear (1996-2002), Orange Juice, Phoebe (2001-2002), Royal Smart Person, Sherry Netherland (1995–1998), The Silly Sorceress, Sissy, Twister Sister, Underlings
Jamie Donmoyer: (2016–present)
Artie Esposito: (2007–present)
Olga Felgemacher: (1977–1980) Various Anything Muppets
Peter Friedman: (1976–1978) a banana from "Bilingual Fruit Song" (singing voice only), Mr. Snuffleupagus (back end), Two-Headed Monster (right head (1978))
Dave Goelz: (1992–1993) China Shop Clerk, Horatio the Elephant, Mr. Between, Rocky, Piño, Tom Piper's son from "Colambo: The Case of the Missing Pig"
Louise Gold: (1990–1998) Bob Lackey, Bonnie Rabbit, Cinderella (from "Colambo: The Lost Slipper Caper"), Darlene, The Grand Royal Square Lover, Ethel Mermaid, Lamb in "Barn in the USA", Louisey, Maria, Mrs. Frazzle, Old Mother Hubbard (from "Colambo: Mother Hubbard's Heist"), Prunella, Renata Scottie, Rapunzel (from a "Fairy Tales Today" segment), Sally Messy Yuckyael, Super Nanny
BJ Guyer: (2002–present)
Fred "Garbo" Garver: (1984–1993) Barkley (1984–1993), Dexter (hands), Garbo Gorilla (1985-1986)
Jane Henson (occasionally): Ernie's right hand
Andy Hayward: (2007–present)
Chris Hayes: (2016–present)
Patrick Holmes: (2007–present)
Jim Henson (1969–1990) an apple from "Bilingual Fruit Song", "As I Was Going to St. Ives" boy, Bad Bart, Barry Rhymie, Beautiful Day Monster, Beginning, Ben, Betty Lou (occasional), Big Jeffy (in a sketch where he demonstrates scatting), Billy (monster), Bip Bippadotta, Captain Vegetable (1982), Charlie (occasionally), "Consider Yourself" father and uncle, Dan, Ernie (1969–1990), Fat Blue J Friend, "Five People in My Family" father, Fenwick, Fred Monster, Fred's Son, Freddy Smith, Flakey, The Geefle, The Genie (1973), George Washington, Grandmother Happy, Granny Fanny Nesslerode (in "Here Is Your Life: Oak Tree"), Grover (1970 - "Near and Far" sketch), Guy Smiley (1969-1990), Harold Happy, Harvey Monster (occasionally), Henry, Herry Monster (in "Up and Down"), Hippie, Kermit the Frog (1969–1990), The King (from "The King's Problem"), King Gerry the Generous, King Peter the Persnickity, Lance, Lavender "Fat Cat" performer, Little Bird (1969), Little Chrissy (puppetry), Marvin, Maurice ("I Want to Hold Your Ear"), Maurice ("Just Around the Corner"), Maurice Monster (occasionally), Mr. Essex, Mr. Johnson (early segments), Mr. Nose, Officer Stan, "One Banana" singer, Pat Playjacks, Pokey, Salvador Dada, one of the Singing Dentists (puppetry), Sam (shopkeeper), Sammy the Snake (in a sketch with Carol Channing), Scudge, Sinister Sam, Sneaky, Spaceship Surprise Captain, Thomas Twiddlebug, one of the Three Little Pigs, Tony, Two-Headed Monster's Mother, Witch, "Yellow Submarine" Fat Blue engineer, Yip Yip Martian, Young Son, Zizzy Zoomer
Michael Elizabeth Huston: (1986–1987) Felicity, Juliet, Lynn-Lynn, Martha
Liz Hara: (2016–present)
Richard Hunt (1972–1992) Ali Baba, Aristotle, Baby Bobby, The Beetles' Lead Singer, Billy the Grownup, Brad, Bruno, Carl Carrot, Carl the Cop, Captain Vegetable (1983-1984), Cheerful, Clancy Monster, Counting Service Man, Dip Cat, Don Music, Earl, Elmo (1984-1985), Farmer Fowler, Fenwick la Touche, Ferlinghetti Donizetti (1980-1984), Flying Fish, Forgetful Jones (1981–1992), Forgettinest Jones, Furline Huskie, Gilbert, Gladys the Cow (1973–1992), Grandpa Count, Grandpa Grouch, Green Alphabeat, Grenadier Guardsman, Harvey Monster (occasionally), Jack (from a "Sesame Street News Flash" segment), Jacques Shoesteau, John, Kermit the Forg (in "We Are All Monsters"), King Gerry's Doctor, Lavender Frazzletone, Lead Singer from "Movin' On", Leaky the Elf, Leo the Party Monster, a lettuce from "Grow High Grow Low", Large Lavender Live Hand Librarian, Larry Rhymie, Little Red Riding Hood (1970s), Madame Schwartzhead, Maurice Monster (occasionally), McDougal Monster, Mr. Moses, Mr. Snuffleupagus (back half, occasionally), Old MacDonald (1980s), a pear from "Bilingual Fruit Song", Placido Flamingo, Potter Piper, Rockin' Richard, Rodeo Rosie (occasionally), Sneaker, Sonny Friendly (1986-1992), Spaceship Surprise Mate, Stan, Stuie Monster, Sully (1973-1992), one of the Three Little Pigs, Timmy Twiddlebug, Tommy, Tough Eddie (1980s), Two-Headed Monster (left head (1978); right head (1979–1992)), one of Umeko's Friends, Victor, Willy Nilly, Witch, Yip Yip Martian, The Young Woman Who Lives in a Hat
Eric Jacobson: (1994–present) Bert (1997–present), "Dinner Theatre" uncle ("Annie Get Your Gumbo"), Dusty, Frankie, Hammy (Dwarf #7), Grover (1998–present), Guy Smiley (2005–present), Mother Goose, Mr. Tiger, Oscar the Grouch (understudy; 2015–present), one of the Three Little Pigs, Yip Yip Martian
Avery Jones: (2016–present)
Haley Jenkins: (2014–present) Dog (Episode 4510)
Frank Kane: (1979–1980) Mr. Snuffleupagus (back end)
John Kennedy: (1993–present) One of the Four Grouches Named Moe
Kathleen Kim : (2016–present)
Jim Kroupa: (1984–present) Lovey, Owl in "Barn in the USA", Peter Piper, and various
Tim Lagasse: (2000–present)
Peter Linz: (1991–present) Additional Muppets, Bif, Cookie Monster (assistant), Elmo (voice only, Spaghetti Space Chase grand opening ceremony), Hansel (Season 36), Herry Monster, Honkers, Horatio the Elephant, Luke Piewalker, Osvaldo, el Gruñón (1990s), Timmy Twiddlebug, Yo-Yo (puppetry only),
John Lovelady: (1969–1978) Ernie's left hand (1969)
Rick Lyon: (1988–2002) Bernie the Baker, Donkey in "Barn in the USA"
Michael Latini: (2014–present)
Michael Lisa: (1999–present)
Spencer Lot: (2016–present)
Austin Michael Costello:(2016–present)
Drew Massey: (1990s–present)
Peter MacKennan: (1987–1994)
Lara MacLean: (2000–present)
Noel MacNeal: (1983–present) Arnold Snuffleupanegger, Cow who Jumped over the Moon, Daddy Snuffle, Gretel, Mommy Snuffleupagus (1980s-1990s), Rosalyn (assistant), one of the Three Little Pigs, Tommy Wilson, Turkey in "Barn in the USA", Uncle Abe
Joey Mazzarino: (1989–2016) Amazing Al, The Banana King, Bernie Broccoli, Big Bad Wolf (1990s-2006, 2012), Big Foot, Carson Daly Muppet, The Cheese, Chicken in "Barn in the USA", Clumsy (Dwarf #1), Colambo, Cousin Bear, Cowboy with a Drawl, Cricket, Dan Rather-not, "Dinner Theatre" son, Eliot Stabler Muppet, The Fairy Godperson, Figby, Geppetto, one of the Grouch Explorers, Gulliver, Gus Hopper, Hairy Hairy More Contrary, Henry Piggins, Horatio the Elephant, Ingrid, Itchy, Izzy, Jack (from Episode 4164), Jack Be Nimble (from Episode 4164), James Bond Muppet, Jamie Fox, Joe Hundred Guy, Joey Monkey, Mack, Merry Monster, Murray Monster, Murray (Anything Muppet), Narf, Number 0, Papa Bear, Pedro, Phooey Louie, Pierre Blue, Pipe Organ, Provenza, Robin, Sharpay (puppetry only), Slug, Spalding Monster, Spill O'Reilly, Stinky the Stinkweed, The Sun (in "The New Here Is Your Life"), "Super K" son, Swampy, Tito, one of the Three Little Pigs, The Tooth Fairy, Two-Headed Monster (left head (2001–present)), Will Schuester parody, Zostic
Jim Martin: (1989–2013) Betty Lou's Dad, Cactus, Goat in "Barn in the USA", The Great Blecchini, Harry the Hopping Haystack, Hansel and Gretel (assistant), Oscar the Grouch (assistant), Preston Rabbit, Rooster in "Barn in the USA", The Sun (in "Here Is Your Life: Carton of Eggs"), Surprised
Paul McGinnis: (2001–present) Ambulance Driver, others
Alison Mork: (1991–1993) Duck in "Barn in the USA"
Amanda Maddock: (2006–present) Mary
Tracie Mick: (2005–present) Tina
Brian Muehl: (1978–1984) Barkley (1978–1984), Bushman Bill, Captain Breakfast, Clancy Monster (in "Near Far Monsters"), Clementine (1979-1984), Countess Dahling von Dahling, Dr. Nobel Price (1979-1984), Elmo (1979-1984), Grundgetta (1982–1984), Honkers, Hot Pink boy in "Big Kids Cry", Lothar the Grouch, Malcolm, Manny, Othmar the Grouch, Pearl, Prince Ted, P. T. Bunkum, Rusty, the Shark (in "Pearl White Teeth"), Taxi Driver McGillicuddy, Telly Monster (1979–1984), Whatshisname
Kathryn Mullen: (1978–1994) Grover's Mommy (1981), Elmo (from "Near Far Monsters"), Homer Honker (1983), Lila, Little Miss Muffet (1992), The Old Woman Who Lives in a Shoe, Sally Smith
Ed May: (1990s–present)
Jerry Nelson: (1970–2013) Adam T. Glasser, Al, The Amazing Mumford, Andy, Angry, a banana from "Bilingual Fruit Song" (speaking voice only), Barry Rhymie, Bennett Snerf (monster version), Biff, Big Barney, Big Bad Wolf (1971-2012), Big Jeffy (in a Grover sketch demonstrating "Walk"), Bill Compton Muppet, Bill Smith, Billy, Birdnardo Birdolucci, Captain Cabbage, Carlos, Charlie (occasionally), Chester O'Leary, Christopher Columbus, Chunky Cheese, Cinderella (1970s), Clam, Claude Cuckoo, Cookie Hood, Cookie Monster's Pop, Cookie Monster's Sister, Corny the Corn, Count von Count (1972–2013), The Country Mouse, Cousin Monster, Cyranose de Bergerac, David Finch, Don Dula, Dr. Livingstone, Drippy, Elmo (in "We Are All Monsters" and "Monsterpiece Theatre: Me Claudius"), The Emperor, Ernest the Grouch, Farley, Farley (Lavender boy), The Fastest Person in the Kingdom, Felix the Grouch, Fico, Football, Frankie Monster, Frazzle, Fred the Wonder Horse, The Genie (1976), George, George Washington (as a kid in a "Sesame Street News Flash" segment), The Gonk, Granny Grouch, The Great Fentini, Green "Fat Cat" performer, Green Ed, Guntag Gelman-Jones, H. Ross Parrot, The Hare, Harvey Monster (occasionally), Herbert Birdsfoot, Herry Monster (1970-2003), Hickory Dickory Duck, Hopalong Hamster, Hot Pink Alphabeat, Humpty Dumpty (1993, 2004, 2011 (voice), 2012 (voice)), I. M. Pig, Jack Be Nimble, Jackman Wolf, Japanese Storyteller, Jerome, Jill (from a "Sesame Street News Flash" segment), Jimmy, Joe, Kathleen the Cow, Kermit the Forg (in "The Wonderful World of T-Shirts"), Kermit the Gorf, Kermit the Grof, King Wasteful V, Leo Birdelli, Leonard Wolf, Little Bo Peep (in a "Sesame Street News Flash" segment), Little Jack Horner (from "Colambo: The Great Plumb Plunder" and from Episode 3329), Little Jerry, Little Miss Muffet (1974), The London Frog, Lord Hog, Mad Man, Marty, Mary Rhymie, Maurice Monster (occasionally), Mean Manny, Melvin Milk, Middle, The Miller's Daughter, Mike, Moe Bubsy, Mommy Snuffleupagus (1970s), Monster Cookie, Mr. Chatterly, Mr. Foot, Mr. Ice Cream Cone Man, Mr. Johnson (1971-2012), Mr. Lucky, Mr. Snuffleupagus (1971–1978), Natalie, Nick Normal, Noel Cowherd, Oak Tree, The Oat Bran Zydeco "Je Ne Sais Quoi" Band Lead Singer, Old King Cole (from a "Sesame Street News Flash" segment), Old Mother Hubbard (from a "Sesame Street News Flash" segment), Painting of a Bowl of Fruit, Pamela, Parker Monster, Phil Harmonic, Pierre, Piper Piper, Poco Loco (1974-1978), a potato from "Grow High Grow Low", Prince Firstly, Professor Nucleus Von Fission, Pumpkin J Friend, Rapunzel (from a "Sesame Street News Flash" segment and from "Fairy Tale Update"), Ricardo Monsterban, Rick, Rockin' Richard (in the song, "Proud"), Rocky, Rodeo Rosie, Ronnie Trash, The Royal Barber, Sam the Robot, Sammy the Snake, Sandy the Snake, Scotty McKilt, Sergeant Thursday, Sheriff Shrimp, Sherlock Hemlock, Simon Soundman, Sir John Feelgood, Sleeping Beauty (1970s), Slimey the Worm (1971), The Smartest Person in the Kingdom, Sneaky the Elf, Snookey, Snooks, Sparky, Sullivan (in "Numerical Correspondence"), The Sun (from "Here Is Your Life: Oak Tree"), Teeth, one of the Three Little Pigs, Tina Twiddlebug, Tony (1970), Tony ("Monsterpiece Theater"), Tornado, Tough Eddie, Trevor Trout, Two-Headed Monster (left head (1979–2001)), Uncle Louie, Vern, Vidal Sputtoon, Walter (Anything Muppet), Walter (vampire), Witch, Xavier, Yip Yip Martian, The Young Man Who Lives in a Glove, Zizzy Zoomer
Carmen Osbahr: (1989–present) Itchy (Dwarf #4), Jill (Season 37), Mrs. Dogooder, Ovejita, Rosita, The Queen of Nacho Picchu, Sophie
Frank Oz: (1969–present) Aladdin, "As I Was Going to St. Ives" girl, Augustine Washington, the Barber, Bart, Baskerville the Hound, Beautiful Day Monster, Bert (1969–2006), Betty Lou (occasional), Bruce Rumpelstiltskin, Carson, The Cat, Charlie (occasionally), The City Mouse, Clancy Monster (in "We Are All Monsters"), Cloud (in "Here Is Your Life: Oak Tree"), "Consider Yourself" girl and boy, Cookie Monster (1969–present), the Count's Bats, Doc Holiday, Dr. Rainbrain, Encyclopedia Salesman, End, Evil Prime Minister, Farmer Frankie, Fat Blue "Fat Cat" performer, "Five People in My Family" Purple brother, Frances Oznowicz, Fred Monster, Green J Friend, Grover (1969–present), Grover's Mommy (1970s), Harvey Kneeslapper, Harvey Monster (occasionally), Helen Happy, Hippie, Humpty Dumpty (1973), Jack (from a "Sesame Street News Flash" segment), Jascha Lombardi, Joe Bubsy, Keith Heartburn, King Kenny the Kind, Lamont, Larry Rhymie, Lefty the Salesman, Little Miss Muffet (1971), Lucy Jones, Mother Goose (Anything Muppet), Mr. Draper, Mrs. Rooney, The Old Woman Who Lives in a Shoe (in a "Sesame Street News Flash" segment), Parker Piper, The Pied Piper, a pineapple from "Bilingual Fruit Song", Pinocchio, Poppa Piper, Porter Piper, Prince Charming, Princess Penelope, Professor Hastings, Pumpkin Anything Muppet woman from "I Want to Hold Your Ear", Pumpkin Mailman, Purple Anything Muppet female back-up singer from "Mahna Mahna", Rocky's Mother, Rosemary, Sad Man, Sally Screamer, Samuel Snively, Scudge, The Shoemaker, The Smallest Person in the Kingdom, Smilin' Jack, Snow White, The Square, Susie, T-shirt Salesman, The Tallest Person in the Kingdom, Tessie Twiddlebug, one of the Three Little Pigs, Tooth, The Tortoise (1971), The Wicked Witch, The Woodsman, "Yellow Submarine" Purple captain, Yip Yip Martian, Zizzy Zoomer
Bob Payne: (1979) Chet, Judy Finsteacher, Mary Rhymie, Squeaky the Elf, Telly Monster (1979), Zebediah
Annie Peterle: (1999–present)
Karen Prell: (1980–1981) Deena, Green girl in "Big Kids Cry", Masha
Marc Petrosino: (2007–present)
Martin P. Robinson: (1980–present) Abigail Snuffleupagus, Alligator (in Episode 4201), Big Bad Wolf (1984-2006), Book, Bulldozer, Buster the Horse, Caesar Penguin, Captain Donald Cragen Muppet, Carl Mericana, Clancy Monster (in "Hill Street Twos"), Dicky Tick, Dieter Dachshund, Dinger, "Dinner Theatre" father, Dirk, Donald Grump, Dr. No, Earl (in Episode 3364), Enzo, Farmer McGregory, Forgetful Jones' Dad, Firefighter Jackson, Fish, Frank Lloyd Left, Frazzle (in Episode 3156), The Gingerbread Man, one of the Grouch Explorers, Gyro Spiniapolis, H-Man, Hans the Ducking, Henny Drummschtick, Herbert Hare, Herry's Father, Hilton Creamer, Honkers, Horatio the Elephant, Irvine, Jack, Jane Snuffleupagus, Joe Hundred Guy's Butler, The Karate Squid, Kermit the Forg (in "Monsterpiece Theater: Monsters of Venice"), The King (from "Smart Cookies"), King Oliver, Kingfish, "Let's Go Driving" father, The Log Bird, Luke Warm, Luther O'Possum, Manolo, Mommy Snuffleupagus (ca. 1980s), Monty, The Moon, Mr. Browning, Mr. Bull, Mr. Mustache ("Orange is the New Snack"), Mr. Policeman Fishy, Mr. Snuffleupagus (1981–present), Mrs. Grouch, Murray Matisse, Murray Monster (in "Sound of the Letter L"), Newt the Nightwatchman, Next Generation Captain, Old King Cole (from Episode 3202), Old Lady from "Katie and the King", Old MacDonald (Green Anything Muppet), "Once Is Not Enough" father, Penguin ("Antartica!"), Peter Piper, Phil, Pizzeria Dos Twin, Prince Charming (1995), Proud, Pumpkin singing dentist, Robin (from "Theater in the Park"), Romeo Scuggs, Ronald Grump (in Episode 2399), The Royal Apple Tree, The Royal Paper Maker, The Sandman, Scram-I-Am, Shelley the Turtle, Sir Rodney, Slimey the Worm, Slowest-Drawing Ed, Smelly (Dwarf #5), Snail, Snuffertiti, Sullivan, The Sun (from "I Feel So Happy"), Telly Monster (1984–present), one of the Three Little Pigs, Thomas Twiddlebug, Tito, Tony (tortoise), The Tortoise (1987), Vincent Twice, Walter Cranky, Warren Blechstein, William, Yip Yip Martian, Zucchini
David Rudman: (1981–present) Airplane, Andre, Athena, Audrey Pigeon, Baby Bear, Beachball, Betty Bowl of Plastic Fruit, Bud, Chicago the Lion, Cookie Monster (2001–present), Cookie Monster's Grandma (in "Monsterpiece Theatre: Little Red Riding Cookie"), Cranky, D-tective Dave, Davey Monkey, Det. John Much Muppet, Dip Cat (1992), Dr. Edwynn, Dr. Flippin, Dr. Johnson, Duane, Fearful, Flo Bear, Frankie (Anything Muppet), Granny Snuffle (1989), Hammy Swinette (puppetry, speaking voice), Horatio the Elephant, Humphrey, Lavender Ed, Lieutenant Tao, Log, The Man in Brown, Mommy Snuffleupagus (1990s), Mr. Bricklayer, Next Generation Science Officer, Norman, One of the Four Grouches Named Moe, Patrick, Pipe Organ, Rudder Rabbit, School, Sidney, Spike, The Sub-Human Cannonball, Sonny Friendly (1992-2000), one of the String Beans, Sully (1992–1999), Tessie Twiddlebug, one of the Three Little Pigs, Two-Headed Monster (right head (1992–present)), Tyrone, one of Umeko's Friends, Underlings, Velma Blank, Wolfy, Yip Yip Martian
Daniel Seagren: (1969–1970) roles included Big Bird, while Caroll Spinney was sick, and on The Ed Sullivan Show
Judy Sladky: (1987–present) Alice Snuffleupagus
David Stephens: (2008–present) Stephen in Episode 4170
Ian Sweetman (2007–present)
Andy Stone: (1990s–present)
Caroll Spinney: (1969–present) Beautiful Day Monster, Bennett Snerf (human version), Betty Lou (occasional), Big Bird, Bruno the Trashman, "Consider Yourself" mother, Cookie Monster (1970 - "Monsters Whisper 'C'" sketch), "Five People in My Family" sister, Fred's Son, Granny Bird, Granny Fanny Nesselrode, Grover (1970 - "Monsters Look at 'A'" sketch), Guy Smiley (in Episode 0010), Hippie, Lefty the Salesman (occasional), Oscar the Grouch, Sam the Robot (occasional), Scudge, Shivers the Penguin, "Yellow Submarine" Pumpkin pilot
John Tartaglia: (1994–present): Alfred Duck, Brandeis, Ernie (occasionally; 2003), Cookie Monster's Mommy (in Episode 4059), One of the Four Grouches Named Moe, Phoebe (2002), Pipe Organ, Trey, Yip Yip Martian
Toby Towson: (1977–1978) Barkley
Gabriel Velez: (1984–present) Osvaldo, el Gruñón
Matt Vogel: (1996–present) Anderson Cucumber, Ant, Baby Bear (assistant), Big Bad Wolf (2013), Big Bird (understudy; 1997–present), Cookie Monster's Mommy (in "Try a Little Kindness"), Count von Count (puppeteer/assistant: 2004–2012; 2013–present), the Cube, Darth Chicken, David Letterguy, the Dragon, Duck Clark, Ernie (assistant; 2000-2003), Gardner, Gassy (Dwarf #3), Groucho Marx Muppet, Guinea Pig (from "Pre-School Musical"), Hansel (in a "Healthy Storybook Moment" segment), Harvey Kneeslapper (2010), Herb, Howie Eatswell, Hubert the Human Cannonball, Humpty Dumpty (2011, 2012 (puppetry only)), Little Jack Horner (from Episode 4523), Maurice Pig, Megan ("Are You Smarter Than an Egg Layer?"), Mr. Johnson (2016–present), Mr. Pogosticker, Mr. Yak, Pino, Professor Gary Gill, Rapunzel's Prince (from Episode 4128), The Super Foods banana, Tiger, Wrestler, Wyoming Walt, Yellow Ball, Zowie-Zown the Upside-Down Clown
Steve Whitmire: (1993–2014) Dr. Feel, Ernie (1993–2014), Kermit the Frog (1998–2001, 2009)
Caroly Wilcox: (1969–1990)
Eric Wright: (2016–present)
Bryant Young: (1979–present): Mr. Snuffleupagus (back end) (1979–present), right-hand assistant puppeteering
