The Mind Flayer

The Mind Flayer, an unknown organism with highly potent mental abilities. It hails from a mirror dimension known as the Upside-Down. The Mind Flayer is seen as a sadistic being, tormenting Maxwell Drake with illusions of his dead friends. It Possesses many abilities, Mind Reading, Pain Inducement, Sleep Inducement, Insanity Inducement, Hivemind, Possession, Hallucination Soldifying, Illusion Manipulation, And Temptakenesis. It commands an army of nightmarish creatures known as Demogorgons.

It has recently joined Kronos’s cause to enslave and destroy the Multiverse.