Who was billed as as the Killer of Custer in Buffalo Bill?

The individual billed as the "Killer of Custer" in Buffalo Bill's Wild West show was Sitting Bull, the famous Lakota leader. After the defeat of General George Armstrong Custer at the Battle of Little Bighorn in 1876, Sitting Bull became a symbol of Native American resistance. Buffalo Bill Cody capitalized on this fame, incorporating Sitting Bull into his performances, which blended entertainment with historical narratives of the American West.