Create an image of a man dressed in an outfit resembling Charlie Brown from the Peanuts comics. The man has short, dark brown hair and a friendly expression. He is wearing a yellow T-shirt with black horizontal zigzag stripes across the chest, similar to Charlie Brown's signature look. The shirt is slightly oversized and has a loose, casual fit. He is also wearing simple, khaki-colored shorts that fall just above the knees and a pair of white sneakers. The man is standing with a relaxed posture, hands in his pockets, and a slight smile on his face, in a bright, cheerful setting like a park or open field