Kazuya Mishima is one of the central characters in the Tekken series, introduced in the first game in 1994. Born to Heihachi Mishima and Kazumi Mishima, Kazuya's life was marked by his father's brutal upbringing. At five years old, Heihachi threw him into a ravine, believing he would die; however, this act awakened a potential within Kazuya, leading him to survive and harbor resentment towards his father. Kazuya later trained in martial arts, aspiring for revenge. As the franchise evolved, Kazuya's character deepened with themes of power, revenge, and the internal struggle of his demonic heritage stemming from the Devil Gene, inherited from his mother. His rivalry with his father, Heihachi, serves as a pivotal element throughout the games, illustrating a complex family dynamic filled with betrayal and redemption. Kazuya is not only a formidable fighter but symbolizes the dark side of ambition and vengeance within the series.