The following is a list of characters on
Sesame Street, ordered by date of last known appearance.
- Grandma Happy, 1969
- Roosevelt Franklin, 1975, when Matt Robinson left the show, having him voice segments was a lot harder
- Sam the Robot, 1972 (episode #406) to 1976
- Captain Vegetable, 1982
- Firefighter Jackson, 1983
- Beetles, 1983
- Deena and Pearl, 1983
- Guy Smiley, 1990
- Flo Bear, 1991
- Forgetful Jones and Clementine, 1992 (both retired when Richard Hunt died)
- Gladys the Cow, 1992 (when Richard Hunt died, character revived in 2003)
- Placido Flamingo, 1992 (when Richard Hunt died)
- Sully and Biff, 1993
- Bruno, 1993
- Little Chrissy and the Alphabeats, 1993 (with an appearance in 1998)
- Buster the Horse, 1994 (two years after his owner, Forgetful Jones)
- Sherlock Hemlock, 1996
- Colambo, 1996
- Betty Lou, 1996
- Joey Monkey and Davey Monkey, 1997 (although they made appearances in 2004)
- Benny Rabbit, 1998 (although he made appearances in 2001, 2002)
- Wolfgang the Seal, 1999
- Elizabeth, 2002
Back from retirement
- Grungetta Grunge, was retired from the show in 1999, making a background appearance in 2004. However, she rejoined the cast in season 36 (2005), as a candidate in "The Grouch Apprentice" skit.
