Fin Fin on Teo the Magic Planet is a 1996 computer game for Windows-based computers made by Fujitsu about a creature that is a hybrid of a bird and a dolphin which the user could communicate with via a Webcam which came with the game, the SmartSensor.Fin Fin responds to the player's tone of voice and volume of the voice - one reviewer describing Fin Fin as a 'virtual mood ring'. 30,000 copies were sold in the first year in Japan.Fin Fin was much like the popular Tamagotchi for your PC.