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Jonathan J. "Jack" O'Neill
Jonathan J. "Jack" O'Neill is a fictional character in the MGM's military science fiction franchise Stargate. O'Neill is a colonel in the United States Air Force and is the leader of the Stargate SG-1 team, which explores the galaxy through the Stargate. O'Neill is a brave and resourceful leader who is always willing to put his life on the line to protect his team and Earth. He is also a wise and compassionate man who is always willing to help those in need. O'Neill is one of the most popular characters in the Stargate franchise and has been praised for his charisma and likability.