Y2: 365 - Day 150.

Niō Guardians (BENEVOLENT KINGS)
Protect the entrance gate at Buddhist temples in Japan. 

"If you look at their mouths, you will notice that one has its mouth open and the other has its mouth closed, said to represent life and death, the beginning and the end. The Niō's fierce and threatening appearance is said to ward off evil spirits and keep the temple grounds free of demons and thieves."
For more information, please visit this website.