This article describes notable characters who appear in the Mass Effect fictional universe. This list describes only major protagonists, antagonists, squad members, and supporting characters that appear in the movies, games, novels, and comics, although these storylines feature much larger supporting casts consisting of dozens of minor characters.
These characters are explored in the print novels Mass Effect: Revelation, Mass Effect: Ascension, Mass Effect: Retribution, and Mass Effect: Deception; the graphic novels Mass Effect: Homeworlds, Mass Effect: Conviction, Mass Effect: Redemption, Mass Effect: Evolution; the feature film Mass Effect: Paragon Lost; and the video games Mass Effect, Mass Effect Galaxy, Mass Effect 2, Mass Effect Infiltrator, Mass Effect 3, Mass Effect 3: Datapad and Mass Effect: Andromeda.
These fictional characters have served as playable characters, or as recurring protagonists and squad members in multiple installments or elements of the Mass Effect franchise.
Commander Shepard is the main protagonist of the Mass Effect trilogy. When starting a new game, the player chooses Shepard's gender, appearance, history, combat-training, and first name. Shepard is 29 years old in Mass Effect, chronologically 31 years old in Mass Effect 2, and 32 in Mass Effect 3. By default, male Shepard is called John and female Shepard is called Jane; both defaults are of the Soldier class.