- Front Row Joe as Big Bird
- Clyde as Elmo
- Popcorn Penny as Zoe
- Clyde as Oscar the Grouch
- Jeff Randell (from Clarence) as Grover
- Clarence Wendell (from Clarence) as Telly
- Marco Diaz (from Star vs. the Forces of Evil) as Baby Bear
- Mabel Pines (from Gravity Falls) as Abby Cadabby
- Mr. Gus (from Uncle Grandpa) as Bert (Mr. Gus and Bert are both grumpy)
- Pizza Steve (from Uncle Grandpa) as Ernie
- Taz (from Looney Tunes) as Cookie Monster (Taz and Cookie Monster are both eat hungry)
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