Sesame Street character debuts

The following is a list of debut (and first known) appearances of Sesame Street characters.

Season 1 (1969-1970)

 * Big Bird — Episode 0001.


 * Oscar the Grouch — Episode 0001.


 * Ernie and Bert — Pilot episodes and Episode 0001.


 * Kermit the Frog — Test Show 4 and Episode 0001; first appeared on Sam and Friends in 1955.


 * Cookie Monster — Test Show 4 and Episode 0001.


 * Gordon, Susan, Bob and Mr. Hooper — Pilot episodes and Episode 0001.


 * Buddy and Jim — Pilot episodes and Episode 0001.


 * Jennie — Episode 0001.


 * Beautiful Day Monster — Episode 0004; first appeared on The Ed Sullivan Show six months prior.


 * Guy Smiley — Appears as an unnamed salesman in Episode 0010.


 * Bip Bippadotta — Episode 0014.


 * Granny Bird — First appears in Episode 0030 as the Big Bird puppet with a flowered hat, shawl, glasses and purse. Converses with Big Bird off screen.


 * Betty Lou — Episode 0072 ("The Mr. and Mrs. Game")


 * Little Bird — Episode 0028


 * Roosevelt Franklin — Episode 0068


 * Professor Hastings — Episode 0096


 * Lefty the Salesman — Episode 0079


 * Granny Fanny Nesselrode — Episode 0112


 * Grover — Episode 0125 in name (not fully-formed until season two); appeared earlier as a previously established monster (see: proto-Grover).

Season 2 (1970-1971)

 * Sherlock Hemlock — Episode 0131


 * Herry Monster — Episode 0131


 * Farley — Episode 0131


 * Larry and Phyllis — Episode 0131


 * Herbert Birdsfoot — Episode 0132


 * Simon Soundman — Episode 0132


 * Miguel — Episode 0179


 * Prairie Dawn —


 * Slimey — Episode 0202


 * Little Jerry and the Monotones — Episode 0240


 * David —


 * Tom —


 * Twiddlebugs (Anything Muppets) — Episode 0280


 * Willy

Season 3 (1971-1972)

 * Mr. Snuffleupagus — Episode 0276


 * Mr. Johnson — Episode 0276


 * Maria, Luis, Molly, and Rafael — Episode 0276


 * The Amazing Mumford — Episode 0280


 * Harvey Kneeslapper — Episode 0283


 * Linda — Episode 0326


 * The Martians — Episode 0398


 * The Busby Twins


 * Wally and Ralph


 * Mr. Macintosh

Season 4 (1972-1973)

 * Count von Count — Episode 0406


 * Sam the Robot — Episode 0406


 * Frazzle


 * Baby Breeze


 * Same Sound Brown


 * Smart Tina


 * Suzetta Something


 * Kate

Season 5 (1973-1974)

 * Biff and Sully — Songs From the Street refers to this season as their first appearance.


 * Twiddlebugs (family)


 * Fred the Wonder Horse


 * Gladys the Cow


 * Little Chrissy and the Alphabeats

Season 6 (1974-1975)

 * Rodeo Rosie — Episode 0666


 * Don Music


 * Mr. Chatterly


 * Hard Head Henry Harris

Season 7 (1975-1976)

 * Buffy — Episode 0802

Season 8 (1976-1977)

 * Olivia — Episode 0950


 * The Countess — Episode 0953

Season 9 (1977-1978)

 * Two-Headed Monster


 * Brad

Season 10 (1978-1979)

 * Barkley — Episode 1186; Imagination Illustrated cites that he was created for this season.


 * Telly Monster — Episode 1257


 * Bruno the Trashman — Oscar meets Bruno in Episode 1259


 * Irvine — Episode 1216

Season 11 (1979-1980)

 * Elmo — Sesame Street Unpaved and Imagination Illustrated cite Elmo making his debut in 1979 as an Anything Muppet. The earliest-known instance of his name being used was in Episode 1439.


 * Leslie Mostly — Episode 1436


 * Grundgetta — Episode 1400


 * Deena — Episode 1403

Season 12 (1980-1981)

 * Forgetful Jones and Clementine — Episode 1446; a season 12 press kit mentions them as new characters this season (Buster the Horse is also referred to as a new character, though the puppet had been around since at least 1974).


 * Warren Wolf — A season 12 press kit refers to him as debuting this year.


 * Honkers — A season 12 press kit refers to this as the debut season for the Honkers.


 * Ferlinghetti Donizetti — A season 12 press kit refers to him as a new character this season.


 * Poco Loco — A season 12 press kit refers to this as his debut season, although he was on the show since at least 1974.


 * Dr. Nobel Price — A season 12 press kit refers to this as his debut season, appearing as early as Episode 1455


 * Masha — Episode 1447


 * Pearl — Episode 1454


 * Polly Darton — Episode 1475

Season 13 (1981-1982)

 * Aristotle — Episode 1577

Season 15 (1983-1984)

 * Uncle Wally — introduced in Episode 1929, starts appearing regularly the next season.

Season 16 (1984-1985)

 * Hoots the Owl — earliest found appearance is "Good Night, Wake Up Lullaby" in Episode 2020


 * How Now Brown and the Moo Wave


 * Piri — Episode 1998


 * Shelley the Turtle - Episode 2007


 * Ernestine — Episode 2053

Season 17 (1985-1986)

 * Placido Flamingo — Episode 2134


 * Leo the Party Monster — Episode 2162


 * The Oinker Sisters


 * Tito


 * J. P.


 * Miles — Episode 2123


 * Chip and Dip — Episode 2209


 * Baby Natasha — Episode 2215

Season 18 (1986-1987)

 * Gina — Episode 2253


 * Juliet — Episode 2260


 * Sonny Friendly — Episode 2274


 * Flo Bear — Episode 2277


 * Athena — Episode 2304

Season 19 (1987-1988)

 * Alice Snuffleupagus — Episode 2410


 * Ruby — Episode 2432

Season 20 (1988-1989)

 * Hiroshi — Episode 2459


 * Mike — Episode 2551


 * Gabi — Episode 2615

Season 21 (1989-1990)

 * Wolfgang the Seal — Episode 2618


 * Preston Rabbit — Episode 2616


 * Mr. Handford — Episode 2620


 * Vincent Twice


 * Lillian


 * Savion

Season 22 (1990-1991)

 * Benny Rabbit — Episode 2811; introduced in Episode 2815.


 * Humphrey — Episode 2851


 * Merry Monster — Episode 2854


 * Baby Bear and Goldilocks — Episode 2866


 * Chicago — Episode 2826 as a generic lion; earliest named appearance is Episode 2911


 * The Grand High Triangle Lover and Norman — Episode 2871

Season 23 (1991-1992)

 * Rosita — Episode 2887; introduced in Episode 2888


 * Joey and Davey Monkey — Episode 2953 (40 Years of Life on the Street page 132 incorrectly cites Season 24 as their debut).


 * Roxie Marie — Episode 2910


 * Baby Tooth and the Fuzzy Funk — Episode 2943


 * Monty — Episode 2939


 * Colambo


 * Horatio the Elephant


 * Cyranose de Bergerac

Season 24 (1992-1993)

 * Sir John Feelgood — Episode 3040


 * Kingston Livingston III — Episode 3103


 * Wanda Cousteau — Episode 3128


 * Stinky the Stinkweed — Episode 3133

Season 25 (1993-1994)

 * Zoe — Episode 3136


 * Sherry Netherland — Episode 3136


 * Ingrid — Episode 3136


 * Ruthie — Episode 3136


 * Carlo — Episode 3136


 * Tarah — Episode 3136


 * Celina — Episode 3136


 * Angela and Jamal — Episode 3136


 * Lexine — Episode 3139


 * The Squirrelles — Episode 3156

Season 29 (1997-1998)

 * Elizabeth — Episode 3656

Season 30 (1998-1999)

 * Alan — Episode 3786


 * Mr. Noodle — Episode 3786

Season 31 (2000)

 * Lulu — Episode 3878


 * Little Murray Sparkles — Episode 3852

Season 32 (2001)

 * Googel
 * Phoebe
 * Narf
 * Mel

Season 34 (2003)

 * Curly Bear — Episode 4055

Season 36 (2005)

 * Murray Monster — debuts as a nameless monster interviewing kids. He would later get a name during Season 38.

Season 37 (2006)

 * Abby Cadabby — Episode 4109; appeared on The Today Show just a few hours earlier.


 * Marco — Episode 4131


 * Mrs. Crustworthy

Season 38 (2007)

 * Chris — Episode 4136

Season 39 (2008)

 * Ovejita


 * Leela — Episode 4161; properly introduced in Episode 4164

Season 41 (2010)

 * Segi

Season 44 (2013-2014)

 * Mando — Episode 4404

Season 46 (2016)

 * Nina — Episode 4601

Season 47 (2017)

 * Julia — Episode 4715; appeared illustrated beginning in 2015


 * Rudy — Episode 4731

Season 48 (2017-2018)

 * Gonger (previously appeared on The Furchester Hotel)