An electronic toy has a head, a body and legs. A display that displays the expression of the eyes is provided to the front of the head, and a speaker and a detection switch that detects the pressing of such speaker are provided on the upper face of the head. A sound sensor and light sensors are housed inside a nose. Ears are rotatably provided on both sides of the head, and a lower jaw capable of being opened/closed is provided below the nose. A tail is provided to the rear of the body. A controller housed in the nose controls the posture, outcry, melody, expression of the eyes, etc. from the communication biorhythm and pet biorhythm prepared in accordance with the way a user contacts the toy through sensory input indicated with detection signals from the sound sensors, infrared sensors, feeding indications, light sensors, and the like.