Tom Paris is a fictional male Human in the Star Trek - Voyager series. The character was portrayed on screen by Robert Duncan McNeill. His allegiance / loyalty is to The USS Voyager. Tom Paris is the lead pilot onboard the Voyager, both at controlling the Voyager and at controlling the Delta flyer. In addition to flying, he has been taught first aid skills by the Doctor.
Tom Paris was a promissing officer in the Starfleet Federation but he decided to throw it all away and join the Maquis. On his first mission with the Maquis, the renegade organisation that opposes the agreement between the United Space Federation and the Cardassians, Tom get caught. He is sentenced to prison on the penal colony of New Zealand. Captain Kathryn Janeway offers Tom a second chance, a chance to redeem himself which he accepts.
The mission that Tom had been recruited for was to find out what happened to a Maquis ship that disappeared in a nebula. The events of the mission are detailed in the pilot (Caretaker). Tom comes face to face with some of his old colleagues in the Maquis but they try to put the past behind them and move on.
Tom is the most skilled pilot when it comes to flying the Delta Flyer. When he tested a new fuel that would hopefully achieve Warp 10, it changed his body and he devolved to a lung fish. He kidnapped Captain Kathryn Janeway where they mated and had offspring. Chakotay led the party to find their missing colleagues and found them on a nearby planet. The offspring were left on the planet but Janeway and Paris was brought back to Voyager and changed back to their human forms. The episode Star Trek - Voyager - Threshold is often voted as one of the worst episodes in all of the Star Trek series.
Tom is big fan of the a fictional black and white television series (Adventures of Captain Proton) which he acts out in the holodeck. During one episode of his adventures, the hologame attracts holographic aliens that believe Tom is killing their kind, it takes the Doctor to intervene on a rare away mission from his medical bay. When Tom gets back to Earth, he becomes a successful holodesk script writer and settles down with B'elanna and their daughter, see below on that.
Tom Paris likes to see himself as a ladies man, giving Harry Kim advice on women. Tom Paris did try to romance Kes but it didn't last that long. He successfully romances B'elanna Torres and the two have a baby daughter called Miral Paris. It is Miral Paris that helps Janeway to travel back into the past and persuade the younger Janeway to use the Borg Transwarp Hub to take years off the journey.