Liz Climo (born July 24, 1981) is an American cartoonist, animator, children's book author, and illustrator. She is best known for her webcomics, which she posts regularly to her website, The Little World of Liz, and her Rory the Dinosaur children's book series. She has also been animating on the television series The Simpsons since 2003. Source: Wikipedia (en)