Baek Do San

Baek Doo San is a character in the Tekken series. Baek first appeared in Tekken 2, and he has returned for Tekken Tag Tournament, Tekken 5, Tekken 5: Dark Resurrection, Tekken 6 and Tekken 6: Bloodline Rebellion.
Baek first appeared in Tekken 2 as Marshall Law's Stage Eight sub-boss. The reason for this is because Baek Doo San went on a rampage after accidentally killing his father. Baek destroyed many dojos, including Marshall's. In Tekken 3 he's not present and he's, in a sense, replaced by his pupil, Hwoarang. In Tekken 3 and Tekken Tag Tournament, Ogre / True Ogre used some of Baek's moves (such as Baek's "Hunting Hawk" move). In Baek's Tekken 5 / Tekken 5: Dark Resurrection Prologue, it is mentioned that, on his way home from training, Baek was attacked and knocked unconscious. Baek woke up in a military hospital. According to the Defense Minister, he had been in a coma for over a year.
Baek's story in Tekken though important due to his role as a master to Hwoarang and as an attacker of dojos is often overshadowed by other more popular characters such as the Mishimas and at times even his own student. Baek was basically relatively kind but misguided in his first appearance in Tekken 2. In order to protect himself as well as to earn money he was forced to attack various dojos, one of which would cause him to incur the wrath of it's owner, Marshall Law. After his defeat at Law's hands, Baek seemed to have moved past that section of his own life, even earning a trusted student in the form of Hwoarang. This happiness and stability for Baek would not last long however as he would later be attacked by Ogre and was left for dead. Though Hwoarang thought that Baek had already died, in reality Baek had simply been knocked out, and wouldn't wake up until a year later. Upon hearing of his student's court martial, Baek immediately requested the Military to not only repeal the punishment, but to also forgive Hwoarang. He would later send Hwoarang a letter requesting him to go back to the military and continue training, something that Hwoarang would never expect to see. Though he intended to fight or see his student's progress in the fifth tournament Baek withdrew immediately when he heard Hwoarang was hospitalized after fighting Jin Kazama. Baek would later seem to share Hwoarang's hate to Jin especially after Jin's declaration of war.
Baek can initially be considered as a cold-blooded attacker who sees no harm in attacking innocent people in order to gain money due to his Tekken 2 Story. This however would not entirely prove true because Baek had only transformed like this due to his own trauma of killing his father during sparring. After regaining himself after the second tournament Baek had met Hwoarang in the years in between Tekken 2 and 3. He would also value Hwoarang greatly due to Hwoarang's skill, but Baek would usually be the one responsible for disciplining Hwoarang. Baek though strict is well known to have trusted and valued his student well. His Tekken Tag Tournament 2 ending had even showed that though Baek is still traumatized by his own father's death, he believes that his new obligation now is Hwoarang, and continues to live for Hwoarang's sake. This would be shown most notably in his Tekken 6 ending where Baek had sacrificed himself in order to save his own student. Though it cannot be denied that Baek had once attacked dojo without relent or killed his father by accident, he has realized his mistake and now tries to improve himself. He greatly values Hwoarang, despite the latter's disobedient nature and constant desire to fight.
His title in the original trilogy is Killing Hawk.