Henry Dixie was known as a "Pedestal Dancer".
(see Tap )
Picture is actually Henry not a statue.

Henry E. Dixey who used to whitewash himself, was one such dancer that was known as a pedestal dancer, he would be presented to the Stage as a statue on a pedestal in the likes of Apollo or Discobulos and when the curtains parted he would start dancing on the pedestal in a statue like motion.