SpongeBob SquarePants, pixel art style, bright yellow skin, blue eyes, white teeth, optimistic smile, messy brown hair, casual posture, leaning forward, hands clasped together, wearing a white shirt with a blue tie, brown pants, standing on a beach, clear blue sky, fluffy white clouds, sunny day, warm lighting, shallow water, sandcastles, seashells, beach rocks, palm trees, vibrant colors, 8-bit graphics, nostalgic feel, retro aesthetic.