Brax was a Talaxian and the only son of Dexa. His father was killed by a Phanos security patrol. Brax was a curious boy, just like his father was. In 2378, he met Neelix, a Talaxian who lived on board the USS Voyager, whose vessel crash-landed on the asteroid Brax lived on. Although he was forbidden by his mother to visit Neelix, he did so anyway. When Neelix mentioned to Brax that he should not be visiting him, he told him he lived here and could not be told to go away. Brax learned that Neelix came from the starship USS Voyager and asked him if he could visit the ship sometime.