Bang was one of two ogre-troll hybrids. The other was named Bue. They were both described as being 7 feet tall but having very broad shoulders and short legs. Their arms were said to hang down to their knees when standing and their fists were said to be the size of melons. Bang's chioce of weaponry was a big scimitar.
He was killed by mistake by Bue with his scythe, when he was trying to hit Geralt.