Kenji 

Kenji is a manga about a Japanese teenager named Kenji, who practices the martial art Bajiquan, and his encounters with other martial artists, some of which are from real life, e.g. Adam Hsu and Liu Chia-Liang. This series primarily features Baji Quan, but also gets into Praying Mantis Kung Fu, Bagua Zhang, Chen Taiji Quan, Pi Quan, Xingyi Quan, Xin Yi Liu He Quan, Shaolin Quan, Hung Ga, Daito Ryu Aikijujutsu, Shotokan Karate and numerous other styles. Kenji's nemesis is a gangster named Tony Tan who practices Hung Gar and later Xinyiliuhequan.