|Abilities||Martial arts skills|
|Special abilities||Pi Gu|
|Home World||The Silver Dimension|
|First Appearance||1st Round,K.O.3an Guo (mentioned only)|
Zhang Jiao (張角) was the founder and principal of Huang Jin High School. According to legend, he was the only known person in The Silver Dimension who has reached the level of Pi Gu (the highest level of martial artist in the Silver Dimension).
Guan Yu and Zhang Fei once mentioned him. It was said that Zhang Jiao only relied on breathing to keep living. He is considered the number one expert of martial arts in the Silver Dimension. Legend said that those who fought him were either dead or handicapped. With regards to Zhang Jiao's case, it has always been secretive.
It was reported that he died of old age. After he died, the school was officially banned.