Johnny was a character in Captain Jean-Luc Picard's Dixon Hill holoprogram.

He was holding Hill at gunpoint, when Guinan, who was playing the role of Gloria from Cleveland, came to Hill's office. Hill said that she was his cousin. Johnny did not believe him and asked if Gloria knew where his money was. He said that Hill had stolen his money. He was killed by machine gun fire as he walked past a window . (TNG: "Clues")

Johnny was played by actor Thomas Knickerbocker and his stunt double Christopher Doyle.
He was listed as "Gunman" in the end credits of the episode.
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