Who did Walter mitty pretend to be?

Walter Mitty, the main character in James Thurber's short story "The Secret Life of Walter Mitty," often pretends to be a heroic and adventurous figure in his daydreams. He imagines himself as a skilled pilot, a brave surgeon, and a daring soldier, among other roles. These fantasies serve as an escape from his mundane life and the challenges he faces in reality. Ultimately, his daydreams highlight his desire for adventure and significance.