Dr. Grimsley's henchmen

Dr. Grimsley's henchmen were two thieves.

Season three
Dr. Grimsley, with his two pals, dressed up as the Skeleton Men. Their plan was to steal, repaint, and sell airplanes overseas.

Appearances

 * The Scooby-Doo Show
 * 302. A Creepy Tangle in the Bermuda Triangle