Generate a single image divided into four equal sections in a portrait layout, featuring a brown skinned little boy character with a human into cyborgs style, silver shorted hair, wearing a eye glasses, wired on the neck, and his brain and body connected to a computer. Specifically ensure the background is a solid green color with no additional elements like clouds. Each section should distinctly portray the character in one of the following expressions and poses: Smiling gently, Laughing heartily, Looking disappointed, Showing determination and enthusiasm. Each expression and pose must be unique and clearly different from the others, with each section clearly defined and separate, ensuring there is no overlap. The focus is on vividly capturing the character's range of emotions and moods in a cohesive image, while emphasizing her expressive diversity against a uniform green background.