Board Thread:General Discussion/@comment-28431168-20160617130858/@comment-28293971-20160617184033

Even if there's not much behind it, it's kind of satisfying to give them a surname - Sans Gaster and Papyrus Gaster. To be honest, with the whole font scenario and Sans and possibly Papyrus having Gaster Blasters, I would be willing to believe this as well.