David Murray "Dav" Pilkey Jr. is an American cartoonist, author, and illustrator of children's literature. He is best known as the author and illustrator of the children's book series, Captain Underpants, and its spin-off children's graphic novel series Dog Man, the latter published under the respective writer and illustrator pen names of George Beard and Harold Hutchins, which are also the names of the two protagonists of the Captain Underpants series.

Elyria is a city in and the county seat of Lorain County, Ohio, United States, located at the forks of the Black River in Northeast Ohio 23 miles (37 km) southwest of Cleveland. As of the 2020 census, the city had a population of 52,656. It is a principal city in the Cleveland metropolitan area. The city is home to Lorain County Community College.