Zang San Feng (髒三瘋) was the 28th ranked fighter on the KO Ranking Record. He first appeared on Episode 17 of KO One. He came to Ultimate Class to attend Duan Chang Ren's lecture because he heard that Duan Chang Ren knew a lot about the KO Rank. He atteneded the class with the other KO fighters but left after Duan Chang Ren decided not to talk about the Martial Arts world and KO Rank. Image:Character-stub.jpgThis article about a character is a stub. You can help by expanding it.