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James J. Kroupa is a puppeteer and puppet builder who has worked on a number of Muppet projects since the 1980s.
Credits
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As Additional Muppets (voice) -
As Additional Muppet Performer -
As Additional Muppet Performer -
As Bird in La La Line (voice) -
As Additional Muppet Performer(voice) (as Jim Kroupa) -
As Additional Muppet Performer (voice)