What Mental Illness Does Walter Mitty Have?

What Mental Illness Does Walter Mitty Have? noun, plural Walter Mittys. an ordinary, timid person who is given to adventurous and self-aggrandizing daydreams or secret plans as a way of glamorizing a humdrum life. What is a Walter Mitty personality? noun, plural Walter Mittys. an ordinary, timid person who is given to adventurous and self-aggrandizing