What general lost the battle of little big horn?

The Native Americans( the Cheyenne, Lakota, and Arapaho) won

well im adding on to this answer

the Sioux called it the "battle of greasy grass" the Indians in the fight were(the lakota Sioux, Dakota Sioux, assinnaborne, ogolala Sioux,norther Cheyenne, arapahoe, black feet) and yes the natives won the fight.. attending custers 7th calvery..were Indians too..(the biggest native traitor's.. the crow who had virtually no allys pre-Europeans settler) the crow were attending as scout.. yes it is true all of the 7th calvary died..but not told is that there were survivors who fought along side with Custer.. they were crows..i think it is 3 crows survived..and if you must know i no this because i my self am northern and souther cheyeen . lakota Sioux..arapahoe. and crow