Bice is an arrogant man who collects DNA samples for undercover experiments. He works on a contract-basis, so he can avoid any controversies that come up with his associations with certain clients. The DNA samples he collects are taken through needles that he keeps in his trench coat pockets. They are often used for cloning and other sketchy experiments.
Stein is a very dirty guy with a strong odor. He uses his dirtiness to his advantage in battle, and sets off stink bombs to stun his opponents. Stein does not care what others think of him, which can often get him into a lot of trouble.