A realistic full-body portrayal of a male superhero inspired by the Sleepwalker character. The character is depicted as a tall, slender figure with a green and dark blue costume, featuring a unique, mask-like face with large, expressive eyes. The suit has a surreal, dreamlike quality, with flowing lines and ethereal textures, reflecting his origin from a 'dream dimension.' He stands in a mysterious, vigilant pose, suggesting his role as a protector of dreams. The background is an abstract, dreamy landscape, with soft, floating shapes and a calming color palette, evoking a sense of the dream world.