As he preferred to appear in his tall form, he gained the nickname 'Lange Wapper'. He would disguise himself as a child in order to receive breastmilk to drink, would vex drunkards, and would cheat children in games. His bleating laughter would frighten the general public, who began to call him 'water devil'.
He adopted the moniker 'Lange Wapper' due to his tall stature, and would often impersonate a child to obtain nourishment, provoke intoxicated individuals, and deceive youngsters in games. His cackling laughter would unsettle the general populace, who began referring to him as 'water devil'.