King Kamehamayhem is an antagonist mentioned in the movie Sky High. Although the King is unseen, he is mentioned to have come from Hawaii and liked to detonate volcanoes. He threatened the life of the Commander and his sidekick Jetstream, aka Steve and Josie Stronghold. The King was a criminal master in Hawaii and other than that almost nothing is known about him, other than Steve being put off Hawaii forever after encountering him.
It is presumed the King was either imprisoned by Steve or was incinerated in his own volcano, other than that nothing is known of him.