User blog comment:MarvelDCandFantasyFanBoy12/It Again/@comment-31765930-20201006201252/@comment-24839525-20201006202006

Character: Edgar Mathis/The Dream Eater (played by Daveed Diggs) - a demonic being who enters dreams and controls it. He is revealed to be a therapist who wants to use the money of therapy to get rich.

Episode: Long Live the Dream Eater - Mystery Inc deals with a dream entering monster.