Board Thread:General Discussion/@comment-4504826-20160516040951/@comment-25444898-20160628065755

I think it's a sort of minibus theme. Napstablook is the miniboss of the Ruins. Mad Dummy is the miniboss of Waterfall. Muffet is the miniboss of Hotland. The miniboss of Snowdin is Greater Dog, so Dogsong is the exception.