On one of the boat rides with the boat...person, they might say,"Tra-la-la. Beware the man who speaks in hands."

The man who speaks in hands is presumed to be Gaster because Wing Ding symbols derive from hand motions.

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Hey guys, the author here, and I was wondering if you guys wanted your fav Undertale facts in here. If you do, comment something like,"Undyne facts please" or "What about Alphys' anime?" If you have a fact, DO NOT COMMENT. Please PM me so no one can repost it and I end up crediting the wrong person.