Festive Dominus is a pet introduced in Update 14 of Pet Simulator. It can be bought in the Tier 3 Winter Wonderland Egg and is one of the new Christmas themed pets. It is the newest addition to the Dominus family.
The Festive Dominus appears to be a cube-shaped Dominus Empyreus with antlers. Its right eye is green and its left eye is red. The buttons follow the same color pattern as the eyes.