James J. Kroupa is a puppeteer and puppet builder who has worked on a number of Muppet projects since the 1980s.
Muppets from Space
Movie • 1999
The Muppets Take Manhattan
Movie • 1984
Eureeka's Castle
Series • 1989
Sesame Street's 25th Birthday: A Musical Celebration
Movie • 1993
A Muppets Christmas: Letters to Santa
Movie • 2008
Sesame Street Stays Up Late!
Sesame Street: Elmo's World: Happy Holidays!
Movie • 2002
Sesame Street: What's the Name of That Song?
Movie • 2004
Live Long
Movie • 2025
Bear in the Big Blue House: Potty Time With Bear
Sesame Street: Fiesta!
Movie • 1997