|Home World||The Gold Dimension|
|Alternate counterpart(s)||Demon Hunter (The Iron Dimension)|
|First Appearance||Episode 1, KO One|
|Portrayed by||Xia Jing Ting (夏靖庭)|
Jia Yong (賈勇) is the supervisor of Ba Le High School. He despises the students of the Ultimate Class and would try anything to break them apart when the opportunity arises. Even teaming with Jin Bao San to drive away the leaders.
His performance is initially part of what made the show interesting.
Title: Discipline Master
Name: Jia Yong
Age: 45 years old
Using iron discipline on the students as well as being enthusiastic in the school affairs, he is an excellent school staff.
With a fierce and majestic look, he only dares to show off in front of the good students. But in actual fact, he is an incompetent and scared person. If he has to enter the Ultimate Class, he will fully equip himself with his armors. Carrying the shield like a police officer in town, the students could not help but make fun of him. Every time he is being played around, he will blame it on Da Dong. Da Dong and him is like fire and water.
Demon Hunter Edit
- Main article: Demon Hunter
He hunts demons by tracking their scents and paralyze them with his primary weapon: Kou Yao Zhan.
Lu Bo She Edit
- Main article: Lu Bo She
His Silver Dimensional counterpart in K.O.3an Guo is Cao Cao's father's old friend called Lu Bo She. He only appeared in 10th Round when Cao Cao and Guan Yu were on the run from Dong Zhuo's henchmen and sought shelter in his house. However, Dong Zhuo got to him before they did and threatened to kill his parents if he didn't turn in Cao Cao and Guan Yu, which he reluctantly did after multiply trying to avoid them from discovering his whereabouts.