Gaunt Gary was a 20th century pool hustler from New York City. It was said that Gaunt Gary hustled the great Willie Mosconi in Ames Pool Hall in 1953.
Tom Paris created a hologram of the famous player for the Chez Sandríne holodeck program. He tried to hustle Harry Kim asking if he wanted to wager a fin. He also told him to watch out for Paris, that he would take his money without cracking a smile. Gary's sexist manner offended B'Elanna Torres. He told her that a man should treat a lady like a tramp, and a tramp like a lady. She called him a pig. (VOY: "The Cloud")
When Neelix and Tuvok were having a pool match, Gaunt Gary advised Neelix during his turns. One such move he recommended against "Vulcan Slim" was to perform a "safety". (VOY: "Jetrel")
He attended Kes' second birthday party but became bored and wanted to shoot a rack of pool. (VOY: "Twisted")