Stetson's Mr Blue, a chimeric Paint Horse stallion. From Wikipedia: "Chimeras are formed from at least four parent cells (two fertilized eggs or early embryos fused together). Each population of cells keeps its own character and the resulting organism is a mixture of tissues."
Beautiful creatures - with around an estimated 20,000 left in the wild, they are right along side the polar bear for need of protection. The West African lion is considered critically endangered with only an estimated 406 left in the wild.