Wikipedia
Kharkhul
Kharkhul (English name:Khara Khula; died 1634) was a Choros-Oirat prince and tayishi of the Choros tribe. He is best known for forming and leading a coalition of the Four Oirats in battle against Ubasi Khun Tayishi, the Khalkha prince who ruled the Altan Khanate in present-day northwest Mongolia.