![The Mule](https://www.xwhos.com/photo/whois_the_mule_profile_822014.webp)
The Mule
The Mule is a central character in Foundation and Empire (1952) and Second Foundation (1953). The Mule's name is a reference to the sterility of mules, since he is also genetically sterile. Without a child, the Mule's empire ends soon after his death.