John E. Kennedy (b. November 17th) is a puppeteer and puppet builder. Kennedy took over the role of Dr. Teeth shortly after Jim Henson's sudden, unfortunate death with until 2005 Bill Barretta became the main performer of the character, as John had been chosen to be Floyd Pepper's performer following Jerry Nelson's departure, until Matt Vogel took over the role.
- Jack's Big Music Show: Mel
- The Wubbulous World of Dr. Seuss: Horton the Elephant, Little Cat C, Mr. Knox, Norval the Fish
- Kermit's Swamp Years: Blotch, Arnie the Alligator
- Animal Jam: DJ 1
- The Muppets: Dr. Teeth (1991 - 2003), Floyd Pepper (2005 and 2006)