Gary Leib designed a line of popular toys for what chocolate manufacturer?
Gary Leib:  Leib also designed a popular line of promotional toys for The Hershey Company. The Hershey Company: The Hershey Company, known until April 2005 as the Hershey Foods Corporation and commonly called Hershey's, is an American company and one of the largest chocolate manufacturers in the world.
The Hershey Company