Professor Crag

Professor Crag is a supervillain and an enemy of the Flash. He is a Mad scientist who lived on the outskirts of Central City. Professor Crag built a giant flying robot suit with tank treads and beam weapons. After a test run, he headed to the science fair “to wreak vengeance on those who scoffed at [his] robot creations.” He was defeated by Flash and Kid Flash.

Appearances
The Superman/Aquaman Hour of Adventure
 * Take a Giant Step