The current, and widely (though we admit, not universally) accepted leader of the Scariest Music Video of All Time competition is Aphex Twin, with Come To Daddy. It’s here, and it’s mental:

The strongest challenger we’ve seen in years is made by (we think) some Brazilians, is called Sem Mudança do Hábito (I Will Follow Ronaldo), and features loads of famous footballers including two Ronaldos, Zinedine Zidane and Romario dressed as nuns:

Which is scarier? Answers below. Got other suggestions? Answers below. Anything else on your mind? Answers below.