The Halo universe is the sprawling fictional universe in which all Halo media takes place. Many central events are set in the 26th century of the human Gregorian calendar, with humanity colonizing the galaxy only to stumble upon a hostile alliance of aliens known as the Covenant who, motivated by the power of the Prophets and the promises of paradise-after-death, are bent on humanity's destruction. Below are the characters on the site that cosplayers have depicted.