They are called the Four Heavenly Guardians.
Here are the 5th to 8th position in the Belt Grading League.
5th - Max Goh (Red) - Green Dragon
6th - Jing Ting (Red) - Fire Phoenix
7th - Melvin Chiu (Red) - White Tiger
8th - Kang H N (Purple) - Black Turtle Snake
Big THANKS to Max Goh for designing the chart for the Heavenly Kings and Heavenly Guardians.
This is the new design for the Four Heavenly Guardians Chart (Oct 2013) (5th to 8th position)
This is the revised design for the Four Heavenly Kings Chart (Oct 2013) (1st to 4th position)