Vault Boy is the mascot character of the Vault-Tec corporation within the Fallout universe, appearing in their adverts, manuals, products and training films. He 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. The perfect way to share your Fallout collection with the world! Show off in style with this Fallout 76 Tricentennial Logo Window Decal.