Only boring elements get bored

An image showing the word "Boring" with the letters "ing" crossed out and replaced by the letters "on"; the letter O is rendered as a smiley face

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Prizes for best, most boring and most overlooked element up for grabs

I imagine most Chemistry World readers have a favourite element (mine is boron), but what about the other end of the preference scale? Which element leaves you cold? Which elicits no more than an apathetic shrug? To put it bluntly: which is the most boring element?