Fred

Fred is an underground doctor who dresses all in grey to hide his scars from World War I. He is first introduced as the Grey Magician during The Flying Pussyfoot incident and revealed to be The Doctor who treated Goose's traitorous associate, Neider. He runs a clinic in New York where he has treated patients such as Jacuzzi Splot, Upham, and Adele. His assistant is Who, originally one of Ladd Russo's gangsters. He was completely omitted from the anime adaptation however his clinic was show in Episodes 13 - 16, where Jacuzzi was taken in.