Biff the Understudy who in Baldur's Gate is the 'understudy' to all characters, and in Baldur's Gate II has a proper role in the game. He has a blue warrior like look. In Baldur's Gate, if an NPC is absent when the game calls for them to recite lines, Biff will appear say their lines instead, being the understudy. Though he will say their dialogue, he will not perform any of their actions. Should you happen to kill him, there will be no penalty.