Happy Joe's is a United States-based pizza parlor chain. It is based in Bettendorf, Iowa. The Happy Joe's chain was founded in the year 1972 by a man named Lawrence Witty who went by the name Happy Joe, giving him the namesake of the restaurant. There are more than 54 Happy Joe's locations in the United States, and they are primarily found in Iowa, Missouri, Illinois, Wisconsin and North Dakota. Happy Joe's says that they are the very first place to ever offer their customers a taco pizza, and it was the founder himself that invented this unusual menu item.