Vault Boy often appears in cross-promotions with other corporate products, such as with the Nuka Tapper holotape game, and was also to appear in some issues of the Hell's Chain Gang comic of Hubris Comics, but because of the Great War, the series was never produced. Vault Boy is a registered trademark of the Vault-Tec Corporation under the name of Vault-Man, and is used widely throughout game guides and manuals.
