Be very afraid...

This Dvarapala welcomes and warns you on your arrival at Wat Nokor

I have brought you some of the beauties of Wat Nokor in the form of the heavenly Devatas, so now here are some of the less attractive characters to be found there, the temple guardians, also known as Dvarapalas. They are the guardians of doors and entrances of temples and other holy sanctuaries, they frighten away the evil spirits and are powerful in battle and uproot trees, and hurl the tops of the mountains against their enemies - so I advise you to be on your best behaviour when visiting Wat Nokor. With their bulging eyes, large nose and fierce expressions they always appear fearful and with an imposing strength. They hold a large club, or gada, as their weapon both of attack and knowledge, and are adorned with a crown, ear-ornaments, a necklace, bracelets, anklets and ornaments. There are four of these guardians at the eastern entrance to the temple.

Make sure you are on your best behaviour or you incur the wrath of the guardians
This Dvarapala is inside the first gopura of the eastern entrance to the prasat