He is a witch doctor whose spirit now lives in a wooden mask who guides Crash, his sister Coco, and their friends as they defeat the forces of evil. In the platforming Crash games, from the original up until Crash of the Titans, if three masks are found, Crash becomes invincible for a limited amount of time, with Aku Aku being placed on Crash's face during this period. He is the deuteragonist of the franchise, as well as a father figure to Crash, Coco and their friends.