Ettin (Dungeons & Dragons)

In the Dungeons & Dragons fantasy role-playing game, the ettin is a giant-like creature. An ettin has two heads, each of which is capable of independent thought, and each controls one arm for attacking. The left head directs the left arm and right head directs the right arm during combat. The two heads disagree constantly, but will work together when there is a common threat. The first edition of the Monster Manual states that the left arm of an ettin inflicts two hit points of damage less than the right, and one of the ettin's heads is always on alert, thereby reducing its chance of surprise. An ettin is usually chaotic evil in alignment.