 They were also included in the "Eldritch Wizardry" supplement, for the original (white box) "Dungeons & Dragons" game (1976), wherein they are described as super-intelligent, man-shaped creatures of great (and lawful) evil, with tentacles that penetrate to the brain and draw it forth for food.The mind flayer appears in the first edition "Monster Manual" (1977).Roger E. Moore authored "The Ecology of the Mind Flayer," which featured in "Dragon" #78 (October 1983).