It's commonly used. Ex-Penn State for the school.
The Nittany Lions
Happy Valley
Penn's Woods
Penn State's nickname is the Nittany Lions. There is a range of ridges in the Appalachian Mountains not far from the Penn State campus called Nittany Mountain. There used to be mountain lions that roamed that range.
The nickname for the eastern states of the United States is often referred to as the "East Coast."
Pennsylvania means "Penn's woods".
Nittany Lion
Ohio State
Penn Hills is a municipality, formerly a township, in Allegheny County, Pennsylvania, United States. It gets its name from William Penn.
The nickname of the United States is US or USA.
USA Its a "nickname" for United States of America