Dav Pilkey
David "Dav" Pilkey Jr. (born March 4, 1966) is a popular American author and illustrator of children's literature. Pilkey is best known as the author and illustrator of the Captain Underpants book series. He also uses the pen names George Beard and Harold Hutchins which are the names of two of the main characters in the aforementioned series. He lives near Seattle, Washington with his wife, Sayuri.