Nothing is useless if referred to the literal sense.
Now, if using the colloquial sense (ironically, not what has absolutely no use, but what it has the least amount of use, therefore "use-less"), there are useless things.
Like the Excalipoor. You know it's colloquial-sense useless. It's a joke

Much like what...oh, wait, Thief's nearby...*starts whistling*