Baek Doo San (Hangul: 백두산; Hanja: 白頭山 Baek Du San; Japanese: ペク・トー・サン Peku Tō San; It may be written with given name first as Doo-San Baek) is a character in the Tekken series. Baek is a Taekwondo champion turned dojang teacher. His first appearance was in Tekken 2, and he returned for Tekken 5, Tekken 6 and the spin-off games Tekken Tag Tournament and Tekken Tag Tournament 2.