Question: is heihachi a bad guy?
Answer: Heihachi Mishima (Japanese: 三島 平八, Hepburn: Mishima Heihachi) is a fictional character of Namco's Tekken fighting game series as the main antagonist. Introduced as the boss character from the first Tekken video game from 1994, Heihachi appears as the leader of a military firm known as the Mishima Zaibatsu.