Master Chief John-117 and other Spartans(Literary version)The Spartan super-soldiers as they appear in the novels based on the Halo video games.BooksHaloOther booksShooting gamesVideo Games
Cortana(Literary version)From the novels set in the Halo game setting for Xbox. One of the more famous sci-fi AI out there, I think.HaloShooting gamesVideo Games
Spartan MJOLNIR armor(Literary version)The power armour worn by the super-soldiers in the Halo setting. This draws from the novelisations rather than the video games, though.HaloShooting gamesVideo Games