And this is whoopee, hes best friends with his Dreemurrs, and he was younger when his dad died, so they took him in, and they took in the little baby papyrus too, papyrus and sans are way better jokesters, and sans likes chocolate, and hes less lazy, and more powerful, after touching a soul, he got alphys to unfuse him with it, but he still has residual power, and papyrus was grown and shown his full power.