Griswell was in charge of his own bar in a small rugged town in the backwaters of the Empire. After getting tired of being both a bartender and brawler, Griswell felt that he had higher aspirations to aim for. After a particularly daring night on the binge, Griswell entered himself into a Blood Bowl team, the Middenheim Mammoths. While surprised to hear what he had done once he had become sober, he gladly embraced his new career and thanks to his burly build, made a perfect blitzer for the team. In spite of his original intentions to open a candy store, he felt Blood Bowl would be a more than acceptable alternative.