An exterminator ( the terminator ) is a character in a science fiction movie, an autonomous robot designed as a virtually indestructible soldier on the battlefield. In its creation or origin, this robot is formed from a ball of fire and it is slowly taking human appearance. It is designed for infiltration and assassination. Its versatility ranges from imitation of voices, skill in various tactics of combat, knowledge and handling of weapons, speed and strength higher than of a human, almost infinite learning ability, to understanding depth of human emotions.