Dewey Beard or Wasú Máza ("Iron Hail", 1858–1955) was a Lakota who fought in the Battle of Little Bighorn as a teenager. After George Armstrong Custer's defeat, Wasú Máza followed Sitting Bull into exile in Canada and then back to South Dakota where he lived on the Cheyenne River Indian Reservation. ~ Wasú Máza with his wife and granddaughter, Celane.