Also known as: 格尔曼·斯帕罗, 世界(诡秘之主)
One of Klein Moretti's four false identity, the other three are Sherlock Moriarty, Dwayne Dantes and Merlin Hermes.
Gehrman is a reference to Gehrman The First Hunter, a boss character in Bloodborne.
Sparrow is a reference to Captain Jack Sparrow, the protagonist of the Pirates Of The Caribbean.