This article describes notable characters who appear in the Mass Effect fictional universe. These characters are explored in the novels Mass Effect: Revelation, Mass Effect: Ascension, Mass Effect: Retribution, and Mass Effect: Deception; the comic series Mass Effect: Redemption, Mass Effect: Evolution and the video games Mass Effect, Mass Effect Galaxy, Mass Effect 2, and Mass Effect 3. This list describes only major protagonists, antagonists, and party members that appear in the games, novels, and comic, although these storylines feature much larger supporting casts consisting of dozens of minor characters.