Devil Kazuya

Gender: Male
Country: Unknown
Fighting style: Mishima Karate
Height: Unknown
Weight: Unknown
Debut: Tekken 1
Last game: Tekken 2

The entity that took Kazuya Mishima as its host, and the source of the Devil Gene the whole family is cursed with. It split in two when Kazuya was thrown into a volcano, and the other half went on to his son.