G. Gulliver was a starship captain in the 24th century. Gulliver was the commander of the ITA Elmira.
In 2370, Gulliver was listed on the Deep Space 9 arrival roster. (DS9: "Whispers", production art)
This character was only mentioned in writing.
His name was listed in an okudagram graphic of an arrival roster on a viewscreen. The graphic was also populated by a number of other in-jokes.