Writer
Richard Appel
Wrote one episode. Credits are those recorded on the Wikipedia season tables and cross-checked against Wikidata and IMDb.
Voice credits by episode
Credited in the principal cast of 1 episode across 1 season, most often as Focus Group Tester (1). IMDb lists up to ten voice credits per episode, so this is a floor.
Season 18 1
Written
Provenance
Facts only- Data refreshed
- 6 September 2026
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- Voice credits: Information courtesy of IMDb (https://www.imdb.com). Used with permission. Photograph by Rhododendrites, CC BY-SA 4.0, via Wikimedia Commons.