Buuuuuurp! That's some good eating! After an extensive interview with DL psychologists, they were able to pinpoint food appreciation as Ulf's only detectable personality trait. As such he is one of the cheapest fighters to maintain on staff - keep him well fed, and Ulf is happy.
In battle, Ulf is known for doing incredibly unwise things such as strapping dynamite on his chest and charging at his opponent with it. He can also branch off a Shadow Warrior friend of his, which somehow helps him evade attacks while enemies feel twice the pain from his flail. Ulf is cranked up to win a Middle Championship after fellow castmate Yuki made it to the finals - he's been promised an extra special meal cooked by Quina if he can make it.