Gex 3: Deep Cover Gecko remotes from each of the levels. Players can unlock and control three alternate characters, Rex, Cuz and Alfred, during bonus stages, though they play the same. Four new characters appear in this sequel. Agent Xtra, a live-action female government Spy and whom Gex must help rescue from the clutches of Rez. Gex is also joined by his faithful butler, Alfred the Tortoise, who is a slight character reference to Bruce Wayne's butler Alfred Pennyworth. Alfred basically helps around and maintains Gex's secret lair which is known as "Mission Control". Alfred can be found in parts of most levels and tailwhipping
Matthew Butler and Matthew Calbraith Perry, for whom Matthew Calbraith Butler is named. His father, William Butler, Jr., was a Congressman beginning in 1841. His uncle Andrew Butler was a U.S. Senator from South Carolina and uncle Pierce Mason Butler was Governor of South Carolina. One of Matthew Butler's first cousins was Congressman Preston Brooks, who assaulted Senator Charles Sumner in 1856 on the floor of the U.S. Senate with a cane. He said it was because Sumner had insulted Senator Andrew Butler, at whose home Matthew lived as a young man. Two of Butler's first cousins twice removed were James Bonham