Dr. Zin's fortress (Quest for Mystery!)


 * For the Scooby-Doo! Mystery Incorporated Dr. Zin's fortress, see Volcano Island.

The fortress of Dr. Zin was on La Isla De Los Monstrous. He had a laboratory where he did made a giant robotic sea creature, genetic engineering, and attempt to operate his unfinished Scarlet Death Ray.

Scooby-Doo! Team-Up
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Appearances

 * Scooby-Doo! Team-Up
 * #10.