Gimmick

The Gimmick is a supervillain and member of the Injustice League of America in Big City.

Physical appearance
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Personality
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Scooby-Doo! Team-Up
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Appearances

 * Scooby-Doo! Team-Up
 * #38.

Appearances in other media
The Worm first appeared in the Dynomutt, Dog Wonder episode The Great Brain... Train Robbery on ABC. The Worm was originally a human scientist called Ronald Hickman who was mentioned to have been the victim of one of his experiments, which resulted in his brain falling into a worm's body and turning him evil.