Fallout Vault Boy represents the Vault-Tec corporation in the Fallout universe. This mascot character has appeared in several training films, products, manuals and adverts. He was supposed to show up on some of the issues of Hell’s Chain Gang of Hubris Comics. However, they never produced the series because of the Great War.

Vault Boy presents an iconic portrayal of almost every stat, including skills, traits and perks in the Fallout games. He provides items to the player’s character and serves as the generic portrayal of their survival and actions. Besides being a full-time mascot of the Fallout series, he also appears in achievements and trophies for Fallout 3, Fallout: New Vegas and Fallout 4.