Swap is one of the many sans AUs. He’s a white skeleton, with a blue scarf. He has blue eyes, which has stars in them when he’s excited or very happy. His blush is blue. He is very cheerful and happy at all times, as he loves being positive. He tends to get loud a lot, and can’t control his volume. He also has extreme mood swings. He lives with Dream and Ink, his two best friends. The trio is called the star sanses. He loves hugging people. He also tends to get flustered and happy easily.