Clem and Lem are revealed as the culprits.
The Carnival creature was the disguise of Clem and Lem, circus acrobats who could ride on each other's shoulders and wear a single large costume.
Physical appearance
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Personality
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History
Scooby-Doo! (DC Comics)
They would commit robberies while with a traveling carnival, then use the monster disguise as a way to break up the show and give them an excuse to move on before things got too hot. (Howling Good Time)
Appearances
- Scooby-Doo! (DC Comics)
- #147(b). Howling Good Time