In Rizzo's earliest appearances, Whitmire would often make clothes for the character. During the opening scene from The Muppets Take Manhattan, Whitmire can can be seen in the audience when Kermit thanks his fellow students.
- The Dark Crystal
- The Muppets Take Manhattan
- The Muppets at Walt Disney World
- Kermit's Swamp Years
- String Fling Gala 2009 - Puppets, Food and Fun!
- io9 "No One Looks Good in the Ugly Drama Surrounding Kermit the Frog's Firing" by Bryan Menegus, July 18, 2017
- ToughPigs Interview with Steve Whitmire, October 15, 2008 by Joe Hennes
- ToughPigs "Three Muppeteers on a Couch" June 13, 2011
- 2004 CoolPlanet.cc interview
- NOSTALGIA TALK: Episode #24 (Featuring RICKEY BOYD)