Kahmunrah is Akmenrah's bitter brother and the ruler of Toontown Museum. He is one of the major antagonists in Hidden Chronicles. He is also a friend of Bowser.
Kahmunrah plotted to destroy Yen Sid. But in a battle in the spooky forest - Kahmunrah is defeated by Mickey Mouse and Winnie the Pooh and was banished in Duat.