MAGNUS, the overprotective brother of alex, has a soul of CHAOS, is usually laid back, lazy, and sans-like. But a few differences set them apart: 1: magnus's insane power is not usually used, but is way stronger than sans's. 2: MAGNUS is a demigod, you guess which god. 3: MAGNUS, though not usually seen doing this, can use red and black magic, making him powerful enough to destroy timelines, but since he is only 12, he can't unleash the power.
4: his hair hides a powerful secret, you guys hafta guess this one too
5: he's not as lazy as sans, he pretends to be, on the inside, he kno