Who led the calvalry defeated by the Sioux at the Battle of Little Bighorn?

The US Army's 7th Cavalry was led by General George Armstrong Custer with Crook, Gibbon, Benteen, Reno and Terry under his command. The Native forces were led by Crazy Horse, Gall, Bloody Knife, Black Elk and Curley. Medicine Man Sitting Bull was one of the elders in camp.