Jim Meskimen is an American comedian, impressionist, and actor, known for his work on the improvisation show Whose Line Is It Anyway? and as the voice of President George W. Bush and other politicians for the internet Jib Jab animated shorts. He voices Thom Cat, Neighbor John, and Stumpy in Random! Cartoons. He provided the voices for Jee, How, Kuruk, and additional characters in Avatar: The Last Airbender.