A vintage cartoon-style illustration of a geeky rat with a subtle nerdy vibe, wearing round glasses, holding an elegant golden accessory (a small pocket watch or pen) that adds distinction. The rat stands in front of an elegant Louis XVIII-style armoire filled with books, lightly accented with ornate golden details. The background glows warmly with the amber light of a sunset lamp, creating a cozy and nostalgic atmosphere. The composition is vertically framed for Instagram, focusing on the rat's figure and the detailed armoire behind, emphasizing depth and elegance. The grainy, analog film style adds texture and a nostalgic touch to the scene. The rat is endearing yet refined, perfectly balanced in a warm, vintage aesthetic --ar 9:16