I'm only doing Tekken 6 BR:
Armor King and King: Pro Wrestling
Anna and Nina: Aikido and Koppo
Asuka: Aikido and Jiujitsu
Baek and Hwoarang: Taekwondo
Bob-Freestyle Karate
Bruce-Murray Thai
Bryan-Kickboxing
Christie and Eddy-Capoeria
Dragunov-Sambo
Feng-Kenpo
Ganryu-Sumo
Jin-Kyokushin Karate
Law-Jeet Kune Do
Lee-Jeet Kune Do, Taekwondo, and Savate
Lei-5 Animals Kung Fu, Zui Quan (drunken kung fu)
Leo-Bajiquan
Xiaoyu-Wushu
Marduk-Vale Tudo
Paul-Judo
Raven and Yoshimitsu-Ninja
Steve-Boxing
Wang and Julia-Xing Yi Quan
Zafina-Assassin Arts
Rest are made up