Stanley "Caveman" Yelnats IV is the protagonist of the 2003 live-action film, Holes.
"Stanley" is "Yelnats" spelled backwards, and because of this, many members of the Yelnats family have been named Stanley, including Stanley's father and grandfather. Stanley is a good-hearted teenager born to a luckless family who have been cursed for years. He is a very responsible, nice, caring teenager. It is revealed that he cares about Zero. He is the luckiest of the Yelnats descendants.