Drew Daywalt (born January 5, 1970), is an American author and filmmaker. He is best known for writing the best-selling children's picture book The Day the Crayons Quit, and its sequel The Day the Crayons Came Home, both illustrated by Oliver Jeffers. Daywalt is also known for writing scripts for American television and Hollywood studio films, and for creating a number of short horror films for release on the internet.