Biff was a German boxer who served military duty in the late 1930s. He served as a guard at Castle Brunwald in 1938 and was known to have a fondness for beer. He sported a tattoo of an anchor on his left arm.
Behind the scenes
Biff is among the adversaries encountered in the Brunwald Castle sequence of the game and is nigh undefeatable if sober. He can be beaten much more easily by first weakening him with drink.