Johnny 5 is a fictional robot character from the 1986 film "Short Circuit" and its sequel. Designed for military purposes, he gains self-awareness after being struck by lightning. This transformation leads him to explore human emotions and ethics, making him a unique character in science fiction. In the films, Johnny 5 is portrayed as a friendly and curious robot, often seeking to understand the world around him. His iconic appearance includes a boxy body, large eyes, and a movable head. The character highlights themes of friendship, individuality, and the importance of life.