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Not a weird weapon, but a weird name: the (lengthened) morning star is called in Dutch 'goedendag'. That translates to good morning, or good day.
It is actually a viciously efficient and easy to produce weapon. It was very successfully used during the Battle of the Golden Spurs, in which a Flemish peasant army defeated a large French army of knights.
A morning star was wielded with one hand, with a short handle, a goedendag was more a pole weapon.