J. Gump
Captain J. Gump was a Starfleet officer in the 24th century. Gump was the commander of the USS Hispaniola.
In 2370, Gump was listed on the Deep Space 9 arrival roster. (DS9: "Whispers", production art)
This character was only mentioned in writing.
The name was listed in an okudagram graphic of an arrival roster on a viewscreen. The ship's "USS" prefix suggests it was a Starfleet vessel.