Because if you take only one he will drink all your beer.
Because Papyrus drinks plenty of milk.
Space Bars
You can tune a piano but you can't tuna fish "What about the glue " I knew you'd get stuck on that.
Fish and Ships
It was his own Strange Brew. You would be Moranic not to like it.
With lots of hops!
They have the same middle name!
They both ate honey and they both have the same middle name.
