Nova is a Mr.Handy robot, he served for the overseer of Vault 150, which was a experiment to test what the subjects will do if half of them had weapons. One half of the people who had weapons broke off and started to eliminate the people who didn't have weapons, and the people who didn't eliminate the people who were unarmed helped them, in the end they refused to eliminate each other, and they were congratulation, and as a prize the people in the vault who survived were given cryogenic pods, only one survived and his name was Kane McDan, who made friends with Nova...
