Jack O'Neill

In his first appearance in the 1994 film as Colonel Jack O\'Neil, the character leads the first team to go through the Stargate on a reconnaissance mission. He subsequently becomes the main character of the television series Stargate SG-1 created in 1997 as a sequel to the movie. In the first seven seasons of the show, Colonel Jack O\'Neill, recalled from retirement after the first film, is the leader of the team SG-1, a part of the Stargate Program, whose goal is to explore the galaxy and defend against any & all alien threats.\n', '

The character became less prominent in the eighth season in which he is promoted to Commanding Officer of Stargate Command, at the rank of Brigadier General, therefore greatly reducing the character\'s time spent exploring via the Stargate. Anderson chose to reduce his character\'s status to spend more time with his family, eventually leaving the show at t…