his Devil form. Heihachi's transformation surprised Harada and other members due to how over-the-top it was. The fight scene between the three generations of the Mishima family proved to be difficult to make as a result of the choreography aimed as well as the movement of motion actors. In order to use Heihachi in the movie, the original character Shin Kamiya was created. Shin's relationship with the Devil Gene experiments attract villain in the story. In retrospect, Satō was shocked when learning Lars was Heihahchi's son, comparing it to Masami Kurumada's manga Saint Seiya which uses a similar plot twist involving a man like Heihachi, Mitsumasa Kido, having several offsprings secretely. Comic book artist Cavan Scott described Heihachi and Kazuya as "demons" due to their dark character traits, making their rivalry with Jin look unfitting in the narrative because of their differences. Scott wanted fans to look forward to his Tekken comic adaptation due to his handling of the three main characters, as it's set during the time Jin becomes similar to Heihachi and Kazuya, making their war more engaging. While still treating Jin as the main character for not reaching Heihachi's traits in terms of corruption, he believed the two would, nevertheless, be interesting enemies. Appearances In video games Main Tekken series In the first Tekken game, Heihachi hosts the King of Iron Fist Tournament where he faces his son, Kazuya Mishima in the finals. Kazuya wins the tournament, tosses Heihachi off a cliff and assumes control of the Zaibatsu. Heihachi survives the fall, and then returns two years later in Tekken 2 to defeat his son. During the King of Iron Fist Tournament 2, Heihachi loses to Paul Phoenix in the semi-finals, however Heihachi replaces him when Paul was forced to forfeit after getting stuck in traffic as result of a multi-car collision on the expressway, and therefore unable to make the match on time, after defeating Kazuya in the finals, Heihachi tosses his body into a volcano, killing him. Fifteen years later, Heihachi learns of a creature, Ogre, which has immortal blood, Heihachi seeks his blood in order to create an "ultimate life form". Around this time, he meets a teenager named Jin Kazama, who claims to be his grandson and begs Heihachi to train him so he can take revenge against Ogre for murdering his mother Jun. Heihachi agrees, and four years later, announces the King