A silent character, does not speak. He just makes noises like "hhsss". His level of stealth and murderous determination towards whoever his target is portrays Jean-Luc with a hostile attitude, he won't give up until his target is defeated. Jean-Luc was created to protect the baby, King, the last Titan. Jean-Luc will do as King tells him and give his life to take care of him. They found him in the ruins of a tower where there were remains of others like him, but he was the only one still moving.