List of Sesame Street Characters by First Known Appearance

  • 1969 (Season 1)
    Big Bird- debuted in season premiere
    Fat Blue
    Fuzzy-Face, Grover's predecessor
    Lefty the Salesman
    Little Bird
    Oscar the Grouch, orange fur- debuted in season premiere.
  • 1970
    Grover
    Guy Smiley
    Harvey Kneeslapper
    Herbert Birdsfoot
    Herry Monster
    Oscar the Grouch, green fur- debuted in season premiere
    Professor Hastings
    Roosevelt Franklin
    Sherlock Hemlock
  • 1971
    Aloysius Snuffleupagus- debuted in season premiere
    Frazzle
    Gladys the Cow
    Granny Fanny Nesselrode
    Simon the Soundman
    Twiddlebugs
  • 1972
    Count von Count
    Sam the Robot- debuted in season premiere
    Yip-Yips
  • 1973
    Biff and Sully
    Don Music
  • 1974
    Rodeo Rosie
  • 1975
    Grungetta Grunge
  • 1978
    The Two-Headed Monster
  • 1979
    Elmo (introduced as minor character)
    Telly Monster
    Honkers
  • 1982
    Dingers
  • 1983
    Deena Monster
    Pearl Monster
  • 1985
    Hoots the Owl
  • 1986
    Placido Flamingo
  • 1991
    Baby Bear
    Rosita
  • 1993
    Monty
    Zoe
  • 2000
    Lulu
  • 2002
    Googel (Monster's Clubhouse)
    Mel (Monster's Clubhouse)
    Narf (Monster's Clubhouse)
    Phoebe (Monster's Clubhouse)
  • 2003 (Season 34)
    Curly Bear
    Barbara the Chicken
    Leonard the Wolf