Zero (The Dawn of Monster Kid)

Zero also known as the Dark Titan of the Universe, is a malevolent cosmic entity and the true main antagonist of The Dawn of Monster Kid, serving as the unseen overarching antagonist of the first and second seasons, and finally appearing as the main antagonist of the third and final season. He is a massive eldritch extraterrestrial monster who drains the energy of entire planets and the greatest archenemy of Max Stewart. In his avatar form, Zero is voiced by Mark Hamill.

Appearance
In his true form, Zero takes the form of amorphous black and red energy gas particles. In his avatar form, he resembles an extraterrestrial bird with antler-like appendages.

Personality
Zero is a being of pure evil. Many beings in the universe fear him due to how he drains energy from entire planets

Origin
Zero is an ancient energy monster that originated from an unknown dimension.